4122502981 has 4 divisors (see below), whose sum is σ = 4146332652. Its totient is φ = 4098673312.

The previous prime is 4122502913. The next prime is 4122502999. The reversal of 4122502981 is 1892052214.

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 3630062500 + 492440481 = 60250^2 + 22191^2 .

It is a cyclic number.

It is not a de Polignac number, because 4122502981 - 2²⁹ = 3585632069 is a prime.

It is a super-2 number, since 2×4122502981² = 33990061656707772722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122503981) 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, 11914576 + ... + 11914921.

It is an arithmetic number, because the mean of its divisors is an integer number (1036583163).

Almost surely, 2^4122502981 is an apocalyptic number.

It is an amenable number.

4122502981 is a deficient number, since it is larger than the sum of its proper divisors (23829671).

4122502981 is a wasteful number, since it uses less digits than its factorization.

4122502981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23829670.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 4122502981 is about 64206.7206840530. The cubic root of 4122502981 is about 1603.4434926418.

The spelling of 4122502981 in words is "four billion, one hundred twenty-two million, five hundred two thousand, nine hundred eighty-one".