125520707 has 32 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 102117888.

The previous prime is 125520701. The next prime is 125520709. The reversal of 125520707 is 707025521.

It is a cyclic number.

It is not a de Polignac number, because 125520707 - 2¹⁸ = 125258563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125520707.

It is not an unprimeable number, because it can be changed into a prime (125520701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701144 + ... + 701322.

It is an arithmetic number, because the mean of its divisors is an integer number (4762800).

Almost surely, 2^125520707 is an apocalyptic number.

125520707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125520707 is a deficient number, since it is larger than the sum of its proper divisors (26888893).

125520707 is a wasteful number, since it uses less digits than its factorization.

125520707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 125520707 is about 11203.6024117245. The cubic root of 125520707 is about 500.6933141865.

The spelling of 125520707 in words is "one hundred twenty-five million, five hundred twenty thousand, seven hundred seven".