125656450 has 24 divisors (see below), whose sum is σ = 234925812. Its totient is φ = 50003520.

The previous prime is 125656411. The next prime is 125656451. The reversal of 125656450 is 54656521.

It can be written as a sum of positive squares in 6 ways, for example, as 89548369 + 36108081 = 9463^2 + 6009^2 .

It is a super-3 number, since 3×125656450³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125656451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3472 + ... + 16228.

Almost surely, 2^125656450 is an apocalyptic number.

125656450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125656450 is a deficient number, since it is larger than the sum of its proper divisors (109269362).

125656450 is a wasteful number, since it uses less digits than its factorization.

125656450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12966 (or 12961 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 125656450 is about 11209.6587816044. The cubic root of 125656450 is about 500.8737389378.

The spelling of 125656450 in words is "one hundred twenty-five million, six hundred fifty-six thousand, four hundred fifty".