121292 has 6 divisors (see below), whose sum is σ = 212268. Its totient is φ = 60644.

The previous prime is 121291. The next prime is 121309. The reversal of 121292 is 292121.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 121292.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121292.

It is not an unprimeable number, because it can be changed into a prime (121291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15158 + ... + 15165.

It is an arithmetic number, because the mean of its divisors is an integer number (35378).

2¹²¹²⁹² is an apocalyptic number.

It is an amenable number.

121292 is a deficient number, since it is larger than the sum of its proper divisors (90976).

121292 is a wasteful number, since it uses less digits than its factorization.

121292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30327 (or 30325 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 121292 is about 348.2700101932. The cubic root of 121292 is about 49.5006291795.

The spelling of 121292 in words is "one hundred twenty-one thousand, two hundred ninety-two".