1042992412901 has 4 divisors (see below), whose sum is σ = 1043113968204. Its totient is φ = 1042870857600.

The previous prime is 1042992412873. The next prime is 1042992412907. The reversal of 1042992412901 is 1092142992401.

It is a Cunningham number, because it is equal to 1021270²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243048100 + 1042749364801 = 15590^2 + 1021151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042992412901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042992412907) 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, 60764780 + ... + 60781941.

It is an arithmetic number, because the mean of its divisors is an integer number (260778492051).

Almost surely, 2^{1042992412901} is an apocalyptic number.

It is an amenable number.

1042992412901 is a deficient number, since it is larger than the sum of its proper divisors (121555303).

1042992412901 is an equidigital number, since it uses as much as digits as its factorization.

1042992412901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121555302.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 1042992412901 in words is "one trillion, forty-two billion, nine hundred ninety-two million, four hundred twelve thousand, nine hundred one".