1141978046 has 16 divisors (see below), whose sum is σ = 1889691120. Its totient is φ = 513247680.

The previous prime is 1141978039. The next prime is 1141978063. The reversal of 1141978046 is 6408791411.

It is a super-2 number, since 2×1141978046² = 2608227715091956232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1141977994 and 1141978012.

It is a congruent number.

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, 289661 + ... + 293576.

It is an arithmetic number, because the mean of its divisors is an integer number (118105695).

Almost surely, 2^1141978046 is an apocalyptic number.

1141978046 is a deficient number, since it is larger than the sum of its proper divisors (747713074).

1141978046 is a wasteful number, since it uses less digits than its factorization.

1141978046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583339.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1141978046 is about 33793.1656699990. The cubic root of 1141978046 is about 1045.2477747060.

The spelling of 1141978046 in words is "one billion, one hundred forty-one million, nine hundred seventy-eight thousand, forty-six".