121713151 has 8 divisors (see below), whose sum is σ = 139988000. Its totient is φ = 103660128.

The previous prime is 121713139. The next prime is 121713169. The reversal of 121713151 is 151317121.

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 121713151 - 2¹³ = 121704959 is a prime.

It is a super-2 number, since 2×121713151² = 29628182252697602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121713121) 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, 54276 + ... + 56473.

It is an arithmetic number, because the mean of its divisors is an integer number (17498500).

Almost surely, 2^121713151 is an apocalyptic number.

121713151 is a deficient number, since it is larger than the sum of its proper divisors (18274849).

121713151 is a wasteful number, since it uses less digits than its factorization.

121713151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110913.

The product of its digits is 210, while the sum is 22.

The square root of 121713151 is about 11032.3683314146. The cubic root of 121713151 is about 495.5785515008.

The spelling of 121713151 in words is "one hundred twenty-one million, seven hundred thirteen thousand, one hundred fifty-one".