121492 has 12 divisors (see below), whose sum is σ = 243040. Its totient is φ = 52056.

The previous prime is 121487. The next prime is 121493. The reversal of 121492 is 294121.

121492 is an admirable number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121493) 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, 2142 + ... + 2197.

2¹²¹⁴⁹² is an apocalyptic number.

It is an amenable number.

121492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121492 is a wasteful number, since it uses less digits than its factorization.

121492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4348 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 121492 is about 348.5570254636. The cubic root of 121492 is about 49.5278216553.

The spelling of 121492 in words is "one hundred twenty-one thousand, four hundred ninety-two".