1121633954 has 16 divisors (see below), whose sum is σ = 2024001600. Its totient is φ = 455400144.

The previous prime is 1121633941. The next prime is 1121633959. The reversal of 1121633954 is 4593361211.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121633959) 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, 2108069 + ... + 2108600.

It is an arithmetic number, because the mean of its divisors is an integer number (126500100).

Almost surely, 2^1121633954 is an apocalyptic number.

1121633954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1121633954 is a deficient number, since it is larger than the sum of its proper divisors (902367646).

1121633954 is a wasteful number, since it uses less digits than its factorization.

1121633954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216697.

The product of its digits is 19440, while the sum is 35.

The square root of 1121633954 is about 33490.8040214027. The cubic root of 1121633954 is about 1039.0035926304.

The spelling of 1121633954 in words is "one billion, one hundred twenty-one million, six hundred thirty-three thousand, nine hundred fifty-four".