121133739 has 16 divisors (see below), whose sum is σ = 166489344. Its totient is φ = 78304800.

The previous prime is 121133731. The next prime is 121133741. The reversal of 121133739 is 937331121.

It is not a de Polignac number, because 121133739 - 2³ = 121133731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121133731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8332 + ... + 17654.

It is an arithmetic number, because the mean of its divisors is an integer number (10405584).

Almost surely, 2^121133739 is an apocalyptic number.

121133739 is a deficient number, since it is larger than the sum of its proper divisors (45355605).

121133739 is an equidigital number, since it uses as much as digits as its factorization.

121133739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458.

The product of its digits is 3402, while the sum is 30.

The square root of 121133739 is about 11006.0773666189. The cubic root of 121133739 is about 494.7909044431.

The spelling of 121133739 in words is "one hundred twenty-one million, one hundred thirty-three thousand, seven hundred thirty-nine".