121490135 has 16 divisors (see below), whose sum is σ = 162419040. Its totient is φ = 86620800.

The previous prime is 121490107. The next prime is 121490137. The reversal of 121490135 is 531094121.

It is a de Polignac number, because none of the positive numbers 2^k-121490135 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121490137) 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, 30341 + ... + 34110.

It is an arithmetic number, because the mean of its divisors is an integer number (10151190).

Almost surely, 2^121490135 is an apocalyptic number.

121490135 is a deficient number, since it is larger than the sum of its proper divisors (40928905).

121490135 is a wasteful number, since it uses less digits than its factorization.

121490135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64498.

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

The square root of 121490135 is about 11022.2563479534. The cubic root of 121490135 is about 495.2756822338.

The spelling of 121490135 in words is "one hundred twenty-one million, four hundred ninety thousand, one hundred thirty-five".