1056991754 has 16 divisors (see below), whose sum is σ = 1951369728. Its totient is φ = 418150512.

The previous prime is 1056991753. The next prime is 1056991757. The reversal of 1056991754 is 4571996501.

It is a super-2 number, since 2×1056991754² = 2234463136047993032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056991699 and 1056991708.

It is not an unprimeable number, because it can be changed into a prime (1056991753) 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, 2903642 + ... + 2904005.

It is an arithmetic number, because the mean of its divisors is an integer number (121960608).

Almost surely, 2^1056991754 is an apocalyptic number.

1056991754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1056991754 is a deficient number, since it is larger than the sum of its proper divisors (894377974).

1056991754 is a wasteful number, since it uses less digits than its factorization.

1056991754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807669.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 1056991754 is about 32511.4095972475. The cubic root of 1056991754 is about 1018.6473657052.

The spelling of 1056991754 in words is "one billion, fifty-six million, nine hundred ninety-one thousand, seven hundred fifty-four".