125157061 has 4 divisors (see below), whose sum is σ = 125244652. Its totient is φ = 125069472.

The previous prime is 125157041. The next prime is 125157089. The reversal of 125157061 is 160751521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54848836 + 70308225 = 7406^2 + 8385^2 .

It is a cyclic number.

It is not a de Polignac number, because 125157061 - 2¹¹ = 125155013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125157031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41616 + ... + 44521.

It is an arithmetic number, because the mean of its divisors is an integer number (31311163).

Almost surely, 2^125157061 is an apocalyptic number.

It is an amenable number.

125157061 is a deficient number, since it is larger than the sum of its proper divisors (87591).

125157061 is an equidigital number, since it uses as much as digits as its factorization.

125157061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87590.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 125157061 is about 11187.3616639492. The cubic root of 125157061 is about 500.2093270188.

The spelling of 125157061 in words is "one hundred twenty-five million, one hundred fifty-seven thousand, sixty-one".