121274837 has 6 divisors (see below), whose sum is σ = 126777462. Its totient is φ = 116001512.

The previous prime is 121274819. The next prime is 121274861. The reversal of 121274837 is 738472121.

It can be written as a sum of positive squares in only one way, i.e., 113401201 + 7873636 = 10649^2 + 2806^2 .

It is not a de Polignac number, because 121274837 - 2⁶ = 121274773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121274797 and 121274806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121264837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114098 + ... + 115155.

It is an arithmetic number, because the mean of its divisors is an integer number (21129577).

Almost surely, 2^121274837 is an apocalyptic number.

It is an amenable number.

121274837 is a deficient number, since it is larger than the sum of its proper divisors (5502625).

121274837 is an equidigital number, since it uses as much as digits as its factorization.

121274837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229299 (or 229276 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 121274837 is about 11012.4855050983. The cubic root of 121274837 is about 494.9829426493.

The spelling of 121274837 in words is "one hundred twenty-one million, two hundred seventy-four thousand, eight hundred thirty-seven".