1421010979 has 2 divisors, whose sum is σ = 1421010980. Its totient is φ = 1421010978.

The previous prime is 1421010971. The next prime is 1421011003. The reversal of 1421010979 is 9790101241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421010979 - 2³ = 1421010971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421010971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710505489 + 710505490.

It is an arithmetic number, because the mean of its divisors is an integer number (710505490).

Almost surely, 2^1421010979 is an apocalyptic number.

1421010979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421010979 is an equidigital number, since it uses as much as digits as its factorization.

1421010979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1421010979 is about 37696.2992745972. The cubic root of 1421010979 is about 1124.2575457396.

The spelling of 1421010979 in words is "one billion, four hundred twenty-one million, ten thousand, nine hundred seventy-nine".