121753313 has 16 divisors (see below), whose sum is σ = 137434752. Its totient is φ = 106896000.

The previous prime is 121753259. The next prime is 121753321. The reversal of 121753313 is 313357121.

It is a cyclic number.

It is not a de Polignac number, because 121753313 - 2¹² = 121749217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121753363) 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, 45143 + ... + 47763.

It is an arithmetic number, because the mean of its divisors is an integer number (8589672).

Almost surely, 2^121753313 is an apocalyptic number.

It is an amenable number.

121753313 is a deficient number, since it is larger than the sum of its proper divisors (15681439).

121753313 is a wasteful number, since it uses less digits than its factorization.

121753313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776.

The product of its digits is 1890, while the sum is 26.

The square root of 121753313 is about 11034.1883706959. The cubic root of 121753313 is about 495.6330546141.

The spelling of 121753313 in words is "one hundred twenty-one million, seven hundred fifty-three thousand, three hundred thirteen".