1425178028 has 6 divisors (see below), whose sum is σ = 2494061556. Its totient is φ = 712589012.

The previous prime is 1425178021. The next prime is 1425178031. The reversal of 1425178028 is 8208715241.

It is a super-2 number, since 2×1425178028² = 4062264822987937568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1425177982 and 1425178000.

It is not an unprimeable number, because it can be changed into a prime (1425178021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178147250 + ... + 178147257.

It is an arithmetic number, because the mean of its divisors is an integer number (415676926).

Almost surely, 2^1425178028 is an apocalyptic number.

It is an amenable number.

1425178028 is a deficient number, since it is larger than the sum of its proper divisors (1068883528).

1425178028 is a wasteful number, since it uses less digits than its factorization.

1425178028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356294511 (or 356294509 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1425178028 is about 37751.5301411744. The cubic root of 1425178028 is about 1125.3554177104.

The spelling of 1425178028 in words is "one billion, four hundred twenty-five million, one hundred seventy-eight thousand, twenty-eight".