125770071 has 16 divisors (see below), whose sum is σ = 198259200. Its totient is φ = 69390048.

The previous prime is 125770061. The next prime is 125770079. The reversal of 125770071 is 170077521.

It is not a de Polignac number, because 125770071 - 2¹⁰ = 125769047 is a prime.

It is a super-2 number, since 2×125770071² = 31636221518690082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125770079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102651 + ... + 103868.

It is an arithmetic number, because the mean of its divisors is an integer number (12391200).

Almost surely, 2^125770071 is an apocalyptic number.

125770071 is a deficient number, since it is larger than the sum of its proper divisors (72489129).

125770071 is a wasteful number, since it uses less digits than its factorization.

125770071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206558.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 125770071 is about 11214.7256319537. The cubic root of 125770071 is about 501.0246600425.

The spelling of 125770071 in words is "one hundred twenty-five million, seven hundred seventy thousand, seventy-one".