1425123072 has 216 divisors, whose sum is σ = 4404574720. Its totient is φ = 459095040.

The previous prime is 1425123067. The next prime is 1425123109. The reversal of 1425123072 is 2703215241.

1425123072 is a `hidden beast` number, since 1 + 425 + 1 + 230 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1928079 + ... + 1928817.

Almost surely, 2^1425123072 is an apocalyptic number.

1425123072 is a gapful number since it is divisible by the number (12) 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 1425123072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2202287360).

1425123072 is an abundant number, since it is smaller than the sum of its proper divisors (2979451648).

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

1425123072 is an frugal number, since it uses more digits than its factorization.

1425123072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1425123072 is about 37750.8022696207. The cubic root of 1425123072 is about 1125.3409526574.

The spelling of 1425123072 in words is "one billion, four hundred twenty-five million, one hundred twenty-three thousand, seventy-two".