1051402144 has 24 divisors (see below), whose sum is σ = 2229175620. Its totient is φ = 485262336.

The previous prime is 1051402141. The next prime is 1051402189. The reversal of 1051402144 is 4412041501.

It can be written as a sum of positive squares in 2 ways, for example, as 1051056400 + 345744 = 32420^2 + 588^2 .

It is a super-2 number, since 2×1051402144² = 2210892936815593472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051402141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263289 + ... + 1264120.

Almost surely, 2^1051402144 is an apocalyptic number.

It is an amenable number.

1051402144 is an abundant number, since it is smaller than the sum of its proper divisors (1177773476).

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

1051402144 is a wasteful number, since it uses less digits than its factorization.

1051402144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527432 (or 2527424 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1051402144 is about 32425.3318255959. The cubic root of 1051402144 is about 1016.8485790881.

Adding to 1051402144 its reverse (4412041501), we get a palindrome (5463443645).

The spelling of 1051402144 in words is "one billion, fifty-one million, four hundred two thousand, one hundred forty-four".