121749695 has 8 divisors (see below), whose sum is σ = 152451936. Its totient is φ = 93164896.

The previous prime is 121749673. The next prime is 121749709. The reversal of 121749695 is 596947121.

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

It is a cyclic number.

It is not a de Polignac number, because 121749695 - 2¹⁶ = 121684159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529232 + ... + 529461.

It is an arithmetic number, because the mean of its divisors is an integer number (19056492).

Almost surely, 2^121749695 is an apocalyptic number.

121749695 is a deficient number, since it is larger than the sum of its proper divisors (30702241).

121749695 is a wasteful number, since it uses less digits than its factorization.

121749695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058721.

The product of its digits is 136080, while the sum is 44.

The square root of 121749695 is about 11034.0244244790. The cubic root of 121749695 is about 495.6281451840.

The spelling of 121749695 in words is "one hundred twenty-one million, seven hundred forty-nine thousand, six hundred ninety-five".