125193631 has 8 divisors (see below), whose sum is σ = 126912240. Its totient is φ = 123480192.

The previous prime is 125193589. The next prime is 125193637. The reversal of 125193631 is 136391521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125193631 - 2¹³ = 125185439 is a prime.

It is a super-2 number, since 2×125193631² = 31346890485928322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125193593 and 125193602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125193637) 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, 83335 + ... + 84823.

It is an arithmetic number, because the mean of its divisors is an integer number (15864030).

Almost surely, 2^125193631 is an apocalyptic number.

125193631 is a deficient number, since it is larger than the sum of its proper divisors (1718609).

125193631 is a wasteful number, since it uses less digits than its factorization.

125193631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its digits is 4860, while the sum is 31.

The square root of 125193631 is about 11188.9959781921. The cubic root of 125193631 is about 500.2580414730.

The spelling of 125193631 in words is "one hundred twenty-five million, one hundred ninety-three thousand, six hundred thirty-one".