121825349 has 12 divisors (see below), whose sum is σ = 132922404. Its totient is φ = 111550464.

The previous prime is 121825313. The next prime is 121825367. The reversal of 121825349 is 943528121.

It can be written as a sum of positive squares in 6 ways, for example, as 44649124 + 77176225 = 6682^2 + 8785^2 .

It is a de Polignac number, because none of the positive numbers 2^k-121825349 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121825399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4997 + ... + 16389.

It is an arithmetic number, because the mean of its divisors is an integer number (11076867).

Almost surely, 2^121825349 is an apocalyptic number.

It is an amenable number.

121825349 is a deficient number, since it is larger than the sum of its proper divisors (11097055).

121825349 is a wasteful number, since it uses less digits than its factorization.

121825349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11464 (or 11447 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 121825349 is about 11037.4521063514. The cubic root of 121825349 is about 495.7307833269.

The spelling of 121825349 in words is "one hundred twenty-one million, eight hundred twenty-five thousand, three hundred forty-nine".