125654031 has 8 divisors (see below), whose sum is σ = 186154160. Its totient is φ = 83769336.

The previous prime is 125654029. The next prime is 125654047. The reversal of 125654031 is 130456521.

125654031 is a `hidden beast` number, since 1 + 2 + 5 + 654 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 125654031 - 2¹ = 125654029 is a prime.

It is a super-2 number, since 2×125654031² = 31577871013097922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4653853 = 125654031 / (1 + 2 + 5 + 6 + 5 + 4 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125653986 and 125654004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125654051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326900 + ... + 2326953.

It is an arithmetic number, because the mean of its divisors is an integer number (23269270).

Almost surely, 2^125654031 is an apocalyptic number.

125654031 is a deficient number, since it is larger than the sum of its proper divisors (60500129).

125654031 is an equidigital number, since it uses as much as digits as its factorization.

125654031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653862 (or 4653856 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 125654031 is about 11209.5508830640. The cubic root of 125654031 is about 500.8705248268.

The spelling of 125654031 in words is "one hundred twenty-five million, six hundred fifty-four thousand, thirty-one".