1154022042 has 16 divisors (see below), whose sum is σ = 2311983072. Its totient is φ = 384017520.

The previous prime is 1154022041. The next prime is 1154022043. The reversal of 1154022042 is 2402204511.

It is an interprime number because it is at equal distance from previous prime (1154022041) and next prime (1154022043).

It is not an unprimeable number, because it can be changed into a prime (1154022041) 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, 160309 + ... + 167352.

It is an arithmetic number, because the mean of its divisors is an integer number (144498942).

Almost surely, 2^1154022042 is an apocalyptic number.

1154022042 is an abundant number, since it is smaller than the sum of its proper divisors (1157961030).

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

1154022042 is a wasteful number, since it uses less digits than its factorization.

1154022042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328253.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1154022042 is about 33970.8999292041. The cubic root of 1154022042 is about 1048.9095382040.

Adding to 1154022042 its reverse (2402204511), we get a palindrome (3556226553).

The spelling of 1154022042 in words is "one billion, one hundred fifty-four million, twenty-two thousand, forty-two".