1061177868 has 48 divisors (see below), whose sum is σ = 2769464320. Its totient is φ = 351378000.

The previous prime is 1061177861. The next prime is 1061177879. The reversal of 1061177868 is 8687711601.

It is a happy number.

It is a super-2 number, since 2×1061177868² = 2252196935066050848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061177861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16228 + ... + 48843.

Almost surely, 2^1061177868 is an apocalyptic number.

1061177868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1061177868 is an abundant number, since it is smaller than the sum of its proper divisors (1708286452).

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

1061177868 is a wasteful number, since it uses less digits than its factorization.

1061177868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65235 (or 65227 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 1061177868 is about 32575.7251339091. The cubic root of 1061177868 is about 1019.9903459294.

It can be divided in two parts, 1061 and 177868, that added together give a square (178929 = 423²).

The spelling of 1061177868 in words is "one billion, sixty-one million, one hundred seventy-seven thousand, eight hundred sixty-eight".