1425172980 has 192 divisors, whose sum is σ = 4999034880. Its totient is φ = 294720000.

The previous prime is 1425172979. The next prime is 1425172981. The reversal of 1425172980 is 892715241.

It is an interprime number because it is at equal distance from previous prime (1425172979) and next prime (1425172981).

It is a super-2 number, since 2×1425172980² = 4062236045844160800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425172981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1159006 + ... + 1160234.

It is an arithmetic number, because the mean of its divisors is an integer number (26036640).

Almost surely, 2^1425172980 is an apocalyptic number.

1425172980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425172980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499517440).

1425172980 is an abundant number, since it is smaller than the sum of its proper divisors (3573861900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425172980 is a wasteful number, since it uses less digits than its factorization.

1425172980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1425172980 is about 37751.4632828981. The cubic root of 1425172980 is about 1125.3540890341.

The spelling of 1425172980 in words is "one billion, four hundred twenty-five million, one hundred seventy-two thousand, nine hundred eighty".