1056261424 has 20 divisors (see below), whose sum is σ = 2081194920. Its totient is φ = 519178880.

The previous prime is 1056261383. The next prime is 1056261439. The reversal of 1056261424 is 4241626501.

It is a happy number.

It is a super-2 number, since 2×1056261424² = 2231376391661015552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558517 + ... + 560404.

It is an arithmetic number, because the mean of its divisors is an integer number (104059746).

Almost surely, 2^1056261424 is an apocalyptic number.

It is an amenable number.

1056261424 is a deficient number, since it is larger than the sum of its proper divisors (1024933496).

1056261424 is a wasteful number, since it uses less digits than its factorization.

1056261424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118988 (or 1118982 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1056261424 is about 32500.1757533709. The cubic root of 1056261424 is about 1018.4126996864.

Adding to 1056261424 its reverse (4241626501), we get a palindrome (5297887925).

The spelling of 1056261424 in words is "one billion, fifty-six million, two hundred sixty-one thousand, four hundred twenty-four".