2972121297 has 4 divisors (see below), whose sum is σ = 3962828400. Its totient is φ = 1981414196.

The previous prime is 2972121259. The next prime is 2972121301. The reversal of 2972121297 is 7921212792.

2972121297 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2972121297 - 2¹⁴ = 2972104913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2972120297) 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, 495353547 + ... + 495353552.

It is an arithmetic number, because the mean of its divisors is an integer number (990707100).

Almost surely, 2^2972121297 is an apocalyptic number.

It is an amenable number.

2972121297 is a deficient number, since it is larger than the sum of its proper divisors (990707103).

2972121297 is an equidigital number, since it uses as much as digits as its factorization.

2972121297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990707102.

The product of its digits is 63504, while the sum is 42.

The square root of 2972121297 is about 54517.1651592414. The cubic root of 2972121297 is about 1437.7680987240.

The spelling of 2972121297 in words is "two billion, nine hundred seventy-two million, one hundred twenty-one thousand, two hundred ninety-seven".