1082154979 has 2 divisors, whose sum is σ = 1082154980. Its totient is φ = 1082154978.

The previous prime is 1082154971. The next prime is 1082155001. The reversal of 1082154979 is 9794512801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1082154979 - 2³ = 1082154971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1082154971) 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 as a sum of consecutive naturals, namely, 541077489 + 541077490.

It is an arithmetic number, because the mean of its divisors is an integer number (541077490).

Almost surely, 2^1082154979 is an apocalyptic number.

1082154979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082154979 is an equidigital number, since it uses as much as digits as its factorization.

1082154979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 1082154979 is about 32896.1240726016. The cubic root of 1082154979 is about 1026.6675150501.

The spelling of 1082154979 in words is "one billion, eighty-two million, one hundred fifty-four thousand, nine hundred seventy-nine".