1121879677 has 8 divisors (see below), whose sum is σ = 1166913792. Its totient is φ = 1077398400.

The previous prime is 1121879663. The next prime is 1121879723. The reversal of 1121879677 is 7769781211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121879677 - 2²⁷ = 987661949 is a prime.

It is a super-2 number, since 2×1121879677² = 2517228019331248658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121879677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121879177) 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 7 ways as a sum of consecutive naturals, for example, 134068 + ... + 142189.

It is an arithmetic number, because the mean of its divisors is an integer number (145864224).

Almost surely, 2^1121879677 is an apocalyptic number.

It is an amenable number.

1121879677 is a deficient number, since it is larger than the sum of its proper divisors (45034115).

1121879677 is a wasteful number, since it uses less digits than its factorization.

1121879677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276419.

The product of its digits is 296352, while the sum is 49.

The square root of 1121879677 is about 33494.4723349988. The cubic root of 1121879677 is about 1039.0794606493.

The spelling of 1121879677 in words is "one billion, one hundred twenty-one million, eight hundred seventy-nine thousand, six hundred seventy-seven".