121951833 has 4 divisors (see below), whose sum is σ = 162602448. Its totient is φ = 81301220.

The previous prime is 121951813. The next prime is 121951849. The reversal of 121951833 is 338159121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121951833 - 2⁶ = 121951769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121951794 and 121951803.

It is not an unprimeable number, because it can be changed into a prime (121951813) 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, 20325303 + ... + 20325308.

It is an arithmetic number, because the mean of its divisors is an integer number (40650612).

Almost surely, 2^121951833 is an apocalyptic number.

It is an amenable number.

121951833 is a deficient number, since it is larger than the sum of its proper divisors (40650615).

121951833 is an equidigital number, since it uses as much as digits as its factorization.

121951833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40650614.

The product of its digits is 6480, while the sum is 33.

The square root of 121951833 is about 11043.1803842915. The cubic root of 121951833 is about 495.9022865635.

It can be divided in two parts, 12195 and 1833, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 121951833 in words is "one hundred twenty-one million, nine hundred fifty-one thousand, eight hundred thirty-three".