1121779295 has 48 divisors (see below), whose sum is σ = 1704221568. Its totient is φ = 702535680.

The previous prime is 1121779273. The next prime is 1121779301. The reversal of 1121779295 is 5929771211.

It is not a de Polignac number, because 1121779295 - 2⁶ = 1121779231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 307130 + ... + 310760.

It is an arithmetic number, because the mean of its divisors is an integer number (35504616).

Almost surely, 2^1121779295 is an apocalyptic number.

1121779295 is a deficient number, since it is larger than the sum of its proper divisors (582442273).

1121779295 is a wasteful number, since it uses less digits than its factorization.

1121779295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760 (or 3753 counting only the distinct ones).

The product of its digits is 79380, while the sum is 44.

The square root of 1121779295 is about 33492.9738154139. The cubic root of 1121779295 is about 1039.0484686194.

The spelling of 1121779295 in words is "one billion, one hundred twenty-one million, seven hundred seventy-nine thousand, two hundred ninety-five".