125622787 has 2 divisors, whose sum is σ = 125622788. Its totient is φ = 125622786.

The previous prime is 125622781. The next prime is 125622797. The reversal of 125622787 is 787226521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125622787 - 2²³ = 117234179 is a prime.

It is a super-2 number, since 2×125622787² = 31562169227294738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125622781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62811393 + 62811394.

It is an arithmetic number, because the mean of its divisors is an integer number (62811394).

Almost surely, 2^125622787 is an apocalyptic number.

125622787 is a deficient number, since it is larger than the sum of its proper divisors (1).

125622787 is an equidigital number, since it uses as much as digits as its factorization.

125622787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 125622787 is about 11208.1571634234. The cubic root of 125622787 is about 500.8290074005.

The spelling of 125622787 in words is "one hundred twenty-five million, six hundred twenty-two thousand, seven hundred eighty-seven".