121361757 has 16 divisors (see below), whose sum is σ = 179423040. Its totient is φ = 72345600.

The previous prime is 121361693. The next prime is 121361783. The reversal of 121361757 is 757163121.

It is not a de Polignac number, because 121361757 - 2⁶ = 121361693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121361257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28132 + ... + 32157.

It is an arithmetic number, because the mean of its divisors is an integer number (11213940).

Almost surely, 2^121361757 is an apocalyptic number.

It is an amenable number.

121361757 is a deficient number, since it is larger than the sum of its proper divisors (58061283).

121361757 is a wasteful number, since it uses less digits than its factorization.

121361757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60364.

The product of its digits is 8820, while the sum is 33.

The square root of 121361757 is about 11016.4312279431. The cubic root of 121361757 is about 495.1011689960.

The spelling of 121361757 in words is "one hundred twenty-one million, three hundred sixty-one thousand, seven hundred fifty-seven".