121949033 has 4 divisors (see below), whose sum is σ = 122459520. Its totient is φ = 121438548.

The previous prime is 121949027. The next prime is 121949039. The reversal of 121949033 is 330949121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 330949121 = 11783 ⋅28087.

It is an interprime number because it is at equal distance from previous prime (121949027) and next prime (121949039).

It is a cyclic number.

It is not a de Polignac number, because 121949033 - 2⁴ = 121949017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121949039) 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, 254885 + ... + 255362.

It is an arithmetic number, because the mean of its divisors is an integer number (30614880).

Almost surely, 2^121949033 is an apocalyptic number.

It is an amenable number.

121949033 is a deficient number, since it is larger than the sum of its proper divisors (510487).

121949033 is an equidigital number, since it uses as much as digits as its factorization.

121949033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510486.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 121949033 is about 11043.0536084907. The cubic root of 121949033 is about 495.8984912481.

The spelling of 121949033 in words is "one hundred twenty-one million, nine hundred forty-nine thousand, thirty-three".