121073949 has 18 divisors (see below), whose sum is σ = 185781050. Its totient is φ = 75966336.

The previous prime is 121073933. The next prime is 121073951. The reversal of 121073949 is 949370121.

It can be written as a sum of positive squares in 3 ways, for example, as 85433049 + 35640900 = 9243^2 + 5970^2 .

It is not a de Polignac number, because 121073949 - 2⁴ = 121073933 is a prime.

It is a super-2 number, since 2×121073949² = 29317802252909202, 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 (121073929) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20674 + ... + 25875.

Almost surely, 2^121073949 is an apocalyptic number.

It is an amenable number.

121073949 is a deficient number, since it is larger than the sum of its proper divisors (64707101).

121073949 is a wasteful number, since it uses less digits than its factorization.

121073949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46589 (or 46569 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 121073949 is about 11003.3608047723. The cubic root of 121073949 is about 494.7094836457.

The spelling of 121073949 in words is "one hundred twenty-one million, seventy-three thousand, nine hundred forty-nine".