120311634 has 16 divisors (see below), whose sum is σ = 245743488. Its totient is φ = 39250512.

The previous prime is 120311627. The next prime is 120311641. The reversal of 120311634 is 436113021.

It is an interprime number because it is at equal distance from previous prime (120311627) and next prime (120311641).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120311634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213037 + ... + 213600.

It is an arithmetic number, because the mean of its divisors is an integer number (15358968).

Almost surely, 2^120311634 is an apocalyptic number.

120311634 is an abundant number, since it is smaller than the sum of its proper divisors (125431854).

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

120311634 is a wasteful number, since it uses less digits than its factorization.

120311634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426689.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 120311634 is about 10968.6660082254. Note that the first 3 decimals coincide. The cubic root of 120311634 is about 493.6690210837.

Adding to 120311634 its reverse (436113021), we get a palindrome (556424655).

The spelling of 120311634 in words is "one hundred twenty million, three hundred eleven thousand, six hundred thirty-four".