121692983 has 4 divisors (see below), whose sum is σ = 121843848. Its totient is φ = 121542120.

The previous prime is 121692979. The next prime is 121693001. The reversal of 121692983 is 389296121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389296121 = 79 ⋅4927799.

It is a cyclic number.

It is not a de Polignac number, because 121692983 - 2² = 121692979 is a prime.

It is a super-2 number, since 2×121692983² = 29618364222876578, which contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121692983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121692973) 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, 74216 + ... + 75837.

It is an arithmetic number, because the mean of its divisors is an integer number (30460962).

Almost surely, 2^121692983 is an apocalyptic number.

121692983 is a deficient number, since it is larger than the sum of its proper divisors (150865).

121692983 is an equidigital number, since it uses as much as digits as its factorization.

121692983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150864.

The product of its digits is 46656, while the sum is 41.

The square root of 121692983 is about 11031.4542558994. The cubic root of 121692983 is about 495.5511773558.

The spelling of 121692983 in words is "one hundred twenty-one million, six hundred ninety-two thousand, nine hundred eighty-three".