121461331 has 4 divisors (see below), whose sum is σ = 121496752. Its totient is φ = 121425912.

The previous prime is 121461289. The next prime is 121461337. The reversal of 121461331 is 133164121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121461331 - 2¹³ = 121453139 is a prime.

It is a super-2 number, since 2×121461331² = 29505709856583122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121461337) 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, 11940 + ... + 19633.

It is an arithmetic number, because the mean of its divisors is an integer number (30374188).

Almost surely, 2^121461331 is an apocalyptic number.

121461331 is a deficient number, since it is larger than the sum of its proper divisors (35421).

121461331 is an equidigital number, since it uses as much as digits as its factorization.

121461331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35420.

The product of its digits is 432, while the sum is 22.

The square root of 121461331 is about 11020.9496414783. The cubic root of 121461331 is about 495.2365376335.

The spelling of 121461331 in words is "one hundred twenty-one million, four hundred sixty-one thousand, three hundred thirty-one".