1141978372 has 12 divisors (see below), whose sum is σ = 2062928896. Its totient is φ = 552570120.

The previous prime is 1141978367. The next prime is 1141978373. The reversal of 1141978372 is 2738791411.

It is a super-2 number, since 2×1141978372² = 2608229204231540768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1141978373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4604628 + ... + 4604875.

Almost surely, 2^1141978372 is an apocalyptic number.

It is an amenable number.

1141978372 is a deficient number, since it is larger than the sum of its proper divisors (920950524).

1141978372 is a wasteful number, since it uses less digits than its factorization.

1141978372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209538 (or 9209536 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 1141978372 is about 33793.1704934592. The cubic root of 1141978372 is about 1045.2478741681.

The spelling of 1141978372 in words is "one billion, one hundred forty-one million, nine hundred seventy-eight thousand, three hundred seventy-two".