980949121 has 2 divisors, whose sum is σ = 980949122. Its totient is φ = 980949120.

The previous prime is 980949061. The next prime is 980949133. The reversal of 980949121 is 121949089.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922640625 + 58308496 = 30375^2 + 7636^2 .

It is a cyclic number.

It is not a de Polignac number, because 980949121 - 2²³ = 972560513 is a prime.

It is a super-2 number, since 2×980949121² = 1924522355981345282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (980949721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490474560 + 490474561.

It is an arithmetic number, because the mean of its divisors is an integer number (490474561).

Almost surely, 2^980949121 is an apocalyptic number.

It is an amenable number.

980949121 is a deficient number, since it is larger than the sum of its proper divisors (1).

980949121 is an equidigital number, since it uses as much as digits as its factorization.

980949121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 980949121 is about 31320.1072954739. The cubic root of 980949121 is about 993.6089484757.

The spelling of 980949121 in words is "nine hundred eighty million, nine hundred forty-nine thousand, one hundred twenty-one".