1012100977 has 2 divisors, whose sum is σ = 1012100978. Its totient is φ = 1012100976.

The previous prime is 1012100963. The next prime is 1012101011. The reversal of 1012100977 is 7790012101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729054001 + 283046976 = 27001^2 + 16824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012100977 - 2¹⁵ = 1012068209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012103977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506050488 + 506050489.

It is an arithmetic number, because the mean of its divisors is an integer number (506050489).

Almost surely, 2^1012100977 is an apocalyptic number.

It is an amenable number.

1012100977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012100977 is an equidigital number, since it uses as much as digits as its factorization.

1012100977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 1012100977 is about 31813.5344939854. The cubic root of 1012100977 is about 1004.0174971025.

The spelling of 1012100977 in words is "one billion, twelve million, one hundred thousand, nine hundred seventy-seven".