1041274366921 has 4 divisors (see below), whose sum is σ = 1042223569812. Its totient is φ = 1040325164032.

The previous prime is 1041274366907. The next prime is 1041274366927. The reversal of 1041274366921 is 1296634721401.

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 118404810000 + 922869556921 = 344100^2 + 960661^2 .

It is a cyclic number.

It is not a de Polignac number, because 1041274366921 - 2⁹ = 1041274366409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041274366927) 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, 474599800 + ... + 474601993.

It is an arithmetic number, because the mean of its divisors is an integer number (260555892453).

Almost surely, 2^{1041274366921} is an apocalyptic number.

It is an amenable number.

1041274366921 is a deficient number, since it is larger than the sum of its proper divisors (949202891).

1041274366921 is an equidigital number, since it uses as much as digits as its factorization.

1041274366921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949202890.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 1041274366921 in words is "one trillion, forty-one billion, two hundred seventy-four million, three hundred sixty-six thousand, nine hundred twenty-one".