125613033 has 32 divisors (see below), whose sum is σ = 207814656. Its totient is φ = 65717568.

The previous prime is 125612989. The next prime is 125613073. The reversal of 125613033 is 330316521.

It is a happy number.

It is not a de Polignac number, because 125613033 - 2⁸ = 125612777 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125612994 and 125613012.

It is not an unprimeable number, because it can be changed into a prime (125613073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32860 + ... + 36482.

It is an arithmetic number, because the mean of its divisors is an integer number (6494208).

Almost surely, 2^125613033 is an apocalyptic number.

125613033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125613033 is a deficient number, since it is larger than the sum of its proper divisors (82201623).

125613033 is a wasteful number, since it uses less digits than its factorization.

125613033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 125613033 is about 11207.7220254608. The cubic root of 125613033 is about 500.8160447507.

Adding to 125613033 its reverse (330316521), we get a palindrome (455929554).

The spelling of 125613033 in words is "one hundred twenty-five million, six hundred thirteen thousand, thirty-three".