121745701 has 8 divisors (see below), whose sum is σ = 151786944. Its totient is φ = 94866720.

The previous prime is 121745699. The next prime is 121745731. The reversal of 121745701 is 107547121.

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 121745701 - 2¹ = 121745699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121745701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121745731) 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, 790480 + ... + 790633.

It is an arithmetic number, because the mean of its divisors is an integer number (18973368).

Almost surely, 2^121745701 is an apocalyptic number.

121745701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121745701 is a deficient number, since it is larger than the sum of its proper divisors (30041243).

121745701 is a wasteful number, since it uses less digits than its factorization.

121745701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581131.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 121745701 is about 11033.8434373522. The cubic root of 121745701 is about 495.6227254292.

The spelling of 121745701 in words is "one hundred twenty-one million, seven hundred forty-five thousand, seven hundred one".