501231054 has 16 divisors (see below), whose sum is σ = 1005306192. Its totient is φ = 166603008.

The previous prime is 501231053. The next prime is 501231089. The reversal of 501231054 is 450132105.

It is a self number, because there is not a number n which added to its sum of digits gives 501231054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501231053) 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, 116209 + ... + 120444.

It is an arithmetic number, because the mean of its divisors is an integer number (62831637).

Almost surely, 2^501231054 is an apocalyptic number.

501231054 is an abundant number, since it is smaller than the sum of its proper divisors (504075138).

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

501231054 is a wasteful number, since it uses less digits than its factorization.

501231054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237011.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 501231054 is about 22388.1900563668. The cubic root of 501231054 is about 794.3513842531.

Adding to 501231054 its reverse (450132105), we get a palindrome (951363159).

The spelling of 501231054 in words is "five hundred one million, two hundred thirty-one thousand, fifty-four".