1051423120 has 40 divisors (see below), whose sum is σ = 2666793600. Its totient is φ = 382335360.

The previous prime is 1051423069. The next prime is 1051423133. The reversal of 1051423120 is 213241501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1051423120² = 2210981154541068800, which contains 22 as substring.

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, 596520 + ... + 598279.

It is an arithmetic number, because the mean of its divisors is an integer number (66669840).

Almost surely, 2^1051423120 is an apocalyptic number.

1051423120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051423120 is an abundant number, since it is smaller than the sum of its proper divisors (1615370480).

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

1051423120 is a wasteful number, since it uses less digits than its factorization.

1051423120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194823 (or 1194817 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1051423120 is about 32425.6552747975. The cubic root of 1051423120 is about 1016.8553412561.

Adding to 1051423120 its reverse (213241501), we get a palindrome (1264664621).

The spelling of 1051423120 in words is "one billion, fifty-one million, four hundred twenty-three thousand, one hundred twenty".