121531094 has 4 divisors (see below), whose sum is σ = 182296644. Its totient is φ = 60765546.

The previous prime is 121531037. The next prime is 121531117. The reversal of 121531094 is 490135121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490135121 = 7 ⋅70019303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30382772 + ... + 30382775.

It is an arithmetic number, because the mean of its divisors is an integer number (45574161).

Almost surely, 2^121531094 is an apocalyptic number.

121531094 is a deficient number, since it is larger than the sum of its proper divisors (60765550).

121531094 is an equidigital number, since it uses as much as digits as its factorization.

121531094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60765549.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 121531094 is about 11024.1142047785. The cubic root of 121531094 is about 495.3313348110.

The spelling of 121531094 in words is "one hundred twenty-one million, five hundred thirty-one thousand, ninety-four".