120513351 has 16 divisors (see below), whose sum is σ = 185359104. Its totient is φ = 68219904.

The previous prime is 120513347. The next prime is 120513359. The reversal of 120513351 is 153315021.

It is not a de Polignac number, because 120513351 - 2² = 120513347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120513359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24570 + ... + 29063.

It is an arithmetic number, because the mean of its divisors is an integer number (11584944).

Almost surely, 2^120513351 is an apocalyptic number.

120513351 is a deficient number, since it is larger than the sum of its proper divisors (64845753).

120513351 is a wasteful number, since it uses less digits than its factorization.

120513351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53750.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 120513351 is about 10977.8573045927. The cubic root of 120513351 is about 493.9447656341.

Adding to 120513351 its reverse (153315021), we get a palindrome (273828372).

The spelling of 120513351 in words is "one hundred twenty million, five hundred thirteen thousand, three hundred fifty-one".