1154214412 has 24 divisors (see below), whose sum is σ = 2176853616. Its totient is φ = 532321728.

The previous prime is 1154214343. The next prime is 1154214449. The reversal of 1154214412 is 2144124511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70203 + ... + 85069.

It is an arithmetic number, because the mean of its divisors is an integer number (90702234).

Almost surely, 2^1154214412 is an apocalyptic number.

It is an amenable number.

1154214412 is a deficient number, since it is larger than the sum of its proper divisors (1022639204).

1154214412 is a wasteful number, since it uses less digits than its factorization.

1154214412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377 (or 16375 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 1154214412 is about 33973.7312051532. The cubic root of 1154214412 is about 1048.9678177139.

Adding to 1154214412 its reverse (2144124511), we get a palindrome (3298338923).

The spelling of 1154214412 in words is "one billion, one hundred fifty-four million, two hundred fourteen thousand, four hundred twelve".