125513670 has 16 divisors (see below), whose sum is σ = 301232880. Its totient is φ = 33470304.

The previous prime is 125513629. The next prime is 125513671. The reversal of 125513670 is 76315521.

It is a super-3 number, since 3×125513670³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4183789 = 125513670 / (1 + 2 + 5 + 5 + 1 + 3 + 6 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125513671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2091865 + ... + 2091924.

It is an arithmetic number, because the mean of its divisors is an integer number (18827055).

Almost surely, 2^125513670 is an apocalyptic number.

125513670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125513670 is an abundant number, since it is smaller than the sum of its proper divisors (175719210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125513670 is a wasteful number, since it uses less digits than its factorization.

125513670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183799.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 125513670 is about 11203.2883565496. The cubic root of 125513670 is about 500.6839573115.

The spelling of 125513670 in words is "one hundred twenty-five million, five hundred thirteen thousand, six hundred seventy".