121754043 has 8 divisors (see below), whose sum is σ = 180376400. Its totient is φ = 81169344.

The previous prime is 121754023. The next prime is 121754057. The reversal of 121754043 is 340457121.

It is not a de Polignac number, because 121754043 - 2⁸ = 121753787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4509409 = 121754043 / (1 + 2 + 1 + 7 + 5 + 4 + 0 + 4 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121753998 and 121754016.

It is not an unprimeable number, because it can be changed into a prime (121754023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254678 + ... + 2254731.

It is an arithmetic number, because the mean of its divisors is an integer number (22547050).

Almost surely, 2^121754043 is an apocalyptic number.

121754043 is a deficient number, since it is larger than the sum of its proper divisors (58622357).

121754043 is an equidigital number, since it uses as much as digits as its factorization.

121754043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509418 (or 4509412 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 121754043 is about 11034.2214496538. The cubic root of 121754043 is about 495.6340451728.

The spelling of 121754043 in words is "one hundred twenty-one million, seven hundred fifty-four thousand, forty-three".