121131292 has 6 divisors (see below), whose sum is σ = 211979768. Its totient is φ = 60565644.

The previous prime is 121131287. The next prime is 121131293. The reversal of 121131292 is 292131121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15141408 + ... + 15141415.

Almost surely, 2^121131292 is an apocalyptic number.

It is an amenable number.

121131292 is a deficient number, since it is larger than the sum of its proper divisors (90848476).

121131292 is a wasteful number, since it uses less digits than its factorization.

121131292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30282827 (or 30282825 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 121131292 is about 11005.9662002025. The cubic root of 121131292 is about 494.7875726945.

The spelling of 121131292 in words is "one hundred twenty-one million, one hundred thirty-one thousand, two hundred ninety-two".