974021101 has 2 divisors, whose sum is σ = 974021102. Its totient is φ = 974021100.

The previous prime is 974021077. The next prime is 974021119. The reversal of 974021101 is 101120479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950488900 + 23532201 = 30830^2 + 4851^2 .

It is an emirp because it is prime and its reverse (101120479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 974021101 - 2²⁵ = 940466669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974021131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487010550 + 487010551.

It is an arithmetic number, because the mean of its divisors is an integer number (487010551).

Almost surely, 2^974021101 is an apocalyptic number.

It is an amenable number.

974021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

974021101 is an equidigital number, since it uses as much as digits as its factorization.

974021101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 974021101 is about 31209.3111266494. The cubic root of 974021101 is about 991.2642763483.

The spelling of 974021101 in words is "nine hundred seventy-four million, twenty-one thousand, one hundred one".