125001153 has 24 divisors (see below), whose sum is σ = 195257088. Its totient is φ = 76758912.

The previous prime is 125001143. The next prime is 125001181. The reversal of 125001153 is 351100521.

125001153 is a `hidden beast` number, since 12 + 500 + 1 + 153 = 666.

It is not a de Polignac number, because 125001153 - 2⁴ = 125001137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125001103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1501 + ... + 15882.

It is an arithmetic number, because the mean of its divisors is an integer number (8135712).

Almost surely, 2^125001153 is an apocalyptic number.

It is an amenable number.

125001153 is a deficient number, since it is larger than the sum of its proper divisors (70255935).

125001153 is a wasteful number, since it uses less digits than its factorization.

125001153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17453 (or 17450 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 125001153 is about 11180.3914511076. The cubic root of 125001153 is about 500.0015373286.

Adding to 125001153 its reverse (351100521), we get a palindrome (476101674).

The spelling of 125001153 in words is "one hundred twenty-five million, one thousand, one hundred fifty-three".