121869235 has 8 divisors (see below), whose sum is σ = 146686896. Its totient is φ = 97199520.

The previous prime is 121869233. The next prime is 121869283. The reversal of 121869235 is 532968121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121869235 - 2¹ = 121869233 is a prime.

It is a super-2 number, since 2×121869235² = 29704220878970450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121869194 and 121869203.

It is not an unprimeable number, because it can be changed into a prime (121869233) 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, 35164 + ... + 38473.

It is an arithmetic number, because the mean of its divisors is an integer number (18335862).

Almost surely, 2^121869235 is an apocalyptic number.

121869235 is a deficient number, since it is larger than the sum of its proper divisors (24817661).

121869235 is an equidigital number, since it uses as much as digits as its factorization.

121869235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73973.

The product of its digits is 25920, while the sum is 37.

The square root of 121869235 is about 11039.4399767380. The cubic root of 121869235 is about 495.7903030395.

The spelling of 121869235 in words is "one hundred twenty-one million, eight hundred sixty-nine thousand, two hundred thirty-five".