121692 has 12 divisors (see below), whose sum is σ = 283976. Its totient is φ = 40560.

The previous prime is 121687. The next prime is 121697. The reversal of 121692 is 296121.

121692 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (121687) and next prime (121697).

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121692.

It is not an unprimeable number, because it can be changed into a prime (121697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5059 + ... + 5082.

2¹²¹⁶⁹² is an apocalyptic number.

121692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121692 is an abundant number, since it is smaller than the sum of its proper divisors (162284).

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

121692 is a wasteful number, since it uses less digits than its factorization.

121692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148 (or 10146 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 121692 is about 348.8438045888. The cubic root of 121692 is about 49.5549843047.

The spelling of 121692 in words is "one hundred twenty-one thousand, six hundred ninety-two".