121707495 has 64 divisors (see below), whose sum is σ = 266327040. Its totient is φ = 51352704.

The previous prime is 121707473. The next prime is 121707497. The reversal of 121707495 is 594707121.

It is a happy number.

It is not a de Polignac number, because 121707495 - 2⁶ = 121707431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121707497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7332 + ... + 17238.

It is an arithmetic number, because the mean of its divisors is an integer number (4161360).

Almost surely, 2^121707495 is an apocalyptic number.

121707495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121707495 is an abundant number, since it is smaller than the sum of its proper divisors (144619545).

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

121707495 is a wasteful number, since it uses less digits than its factorization.

121707495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941 (or 9935 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 121707495 is about 11032.1119918173. Note that the first 3 decimals coincide. The cubic root of 121707495 is about 495.5708748838.

The spelling of 121707495 in words is "one hundred twenty-one million, seven hundred seven thousand, four hundred ninety-five".