1156423092 has 24 divisors (see below), whose sum is σ = 2943622752. Its totient is φ = 350431200.

The previous prime is 1156423091. The next prime is 1156423117. The reversal of 1156423092 is 2903246511.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156423091) 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, 4380259 + ... + 4380522.

It is an arithmetic number, because the mean of its divisors is an integer number (122650948).

Almost surely, 2^1156423092 is an apocalyptic number.

1156423092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1156423092 is an abundant number, since it is smaller than the sum of its proper divisors (1787199660).

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

1156423092 is a wasteful number, since it uses less digits than its factorization.

1156423092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760799 (or 8760797 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1156423092 is about 34006.2213719784. The cubic root of 1156423092 is about 1049.6364855021.

The spelling of 1156423092 in words is "one billion, one hundred fifty-six million, four hundred twenty-three thousand, ninety-two".