1154656426 has 64 divisors (see below), whose sum is σ = 2239156224. Its totient is φ = 433540800.

The previous prime is 1154656423. The next prime is 1154656453. The reversal of 1154656426 is 6246564511.

It is not an unprimeable number, because it can be changed into a prime (1154656423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483756 + ... + 486136.

It is an arithmetic number, because the mean of its divisors is an integer number (34986816).

Almost surely, 2^1154656426 is an apocalyptic number.

1154656426 is a deficient number, since it is larger than the sum of its proper divisors (1084499798).

1154656426 is a wasteful number, since it uses less digits than its factorization.

1154656426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515.

The product of its digits is 172800, while the sum is 40.

The square root of 1154656426 is about 33980.2358143672. The cubic root of 1154656426 is about 1049.1017036661.

The spelling of 1154656426 in words is "one billion, one hundred fifty-four million, six hundred fifty-six thousand, four hundred twenty-six".