1051124420 has 24 divisors (see below), whose sum is σ = 2221427544. Its totient is φ = 417770496.

The previous prime is 1051124413. The next prime is 1051124447. The reversal of 1051124420 is 244211501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 204547204 + 846577216 = 14302^2 + 29096^2 .

It is a super-2 number, since 2×1051124420² = 2209725092640672800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1051124392 and 1051124401.

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, 164237 + ... + 170516.

It is an arithmetic number, because the mean of its divisors is an integer number (92559481).

Almost surely, 2^1051124420 is an apocalyptic number.

1051124420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051124420 is an abundant number, since it is smaller than the sum of its proper divisors (1170303124).

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

1051124420 is a wasteful number, since it uses less digits than its factorization.

1051124420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334919 (or 334917 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1051124420 is about 32421.0490268282. The cubic root of 1051124420 is about 1016.7590389360.

Adding to 1051124420 its reverse (244211501), we get a palindrome (1295335921).

The spelling of 1051124420 in words is "one billion, fifty-one million, one hundred twenty-four thousand, four hundred twenty".