125046440 has 32 divisors (see below), whose sum is σ = 282583080. Its totient is φ = 49800192.

The previous prime is 125046431. The next prime is 125046457. The reversal of 125046440 is 44640521.

It can be written as a sum of positive squares in 4 ways, for example, as 74891716 + 50154724 = 8654^2 + 7082^2 .

It is a super-2 number, since 2×125046440² = 31273224313347200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2612 + ... + 16028.

Almost surely, 2^125046440 is an apocalyptic number.

125046440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125046440 is an abundant number, since it is smaller than the sum of its proper divisors (157536640).

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

125046440 is a wasteful number, since it uses less digits than its factorization.

125046440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13661 (or 13657 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 125046440 is about 11182.4165545735. The cubic root of 125046440 is about 500.0619123334.

Adding to 125046440 its reverse (44640521), we get a palindrome (169686961).

The spelling of 125046440 in words is "one hundred twenty-five million, forty-six thousand, four hundred forty".