121453044 has 48 divisors (see below), whose sum is σ = 297595200. Its totient is φ = 38497536.

The previous prime is 121453043. The next prime is 121453091. The reversal of 121453044 is 440354121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121453043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20712 + ... + 25920.

It is an arithmetic number, because the mean of its divisors is an integer number (6199900).

Almost surely, 2^121453044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121453044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148797600).

121453044 is an abundant number, since it is smaller than the sum of its proper divisors (176142156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121453044 is a wasteful number, since it uses less digits than its factorization.

121453044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312 (or 5310 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 121453044 is about 11020.5736692787. The cubic root of 121453044 is about 495.2252744644.

The spelling of 121453044 in words is "one hundred twenty-one million, four hundred fifty-three thousand, forty-four".