10402629121 has 4 divisors (see below), whose sum is σ = 10761340500. Its totient is φ = 10043917744.

The previous prime is 10402629119. The next prime is 10402629151. The reversal of 10402629121 is 12192620401.

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 3200730625 + 7201898496 = 56575^2 + 84864^2 .

It is a cyclic number.

It is not a de Polignac number, because 10402629121 - 2¹ = 10402629119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10402629121.

It is not an unprimeable number, because it can be changed into a prime (10402629151) 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, 179355646 + ... + 179355703.

It is an arithmetic number, because the mean of its divisors is an integer number (2690335125).

Almost surely, 2^10402629121 is an apocalyptic number.

It is an amenable number.

10402629121 is a deficient number, since it is larger than the sum of its proper divisors (358711379).

10402629121 is an equidigital number, since it uses as much as digits as its factorization.

10402629121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358711378.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 10402629121 in words is "ten billion, four hundred two million, six hundred twenty-nine thousand, one hundred twenty-one".