1152746421 has 16 divisors (see below), whose sum is σ = 1639839168. Its totient is φ = 717766400.

The previous prime is 1152746401. The next prime is 1152746437. The reversal of 1152746421 is 1246472511.

It is a cyclic number.

It is not a de Polignac number, because 1152746421 - 2⁷ = 1152746293 is a prime.

It is a super-2 number, since 2×1152746421² = 2657648622256618482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152746401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79590 + ... + 92951.

It is an arithmetic number, because the mean of its divisors is an integer number (102489948).

Almost surely, 2^1152746421 is an apocalyptic number.

It is an amenable number.

1152746421 is a deficient number, since it is larger than the sum of its proper divisors (487092747).

1152746421 is a wasteful number, since it uses less digits than its factorization.

1152746421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172692.

The product of its digits is 13440, while the sum is 33.

The square root of 1152746421 is about 33952.1195361939. The cubic root of 1152746421 is about 1048.5229181086.

The spelling of 1152746421 in words is "one billion, one hundred fifty-two million, seven hundred forty-six thousand, four hundred twenty-one".