121453002 has 48 divisors (see below), whose sum is σ = 288973152. Its totient is φ = 36560160.

The previous prime is 121453001. The next prime is 121453043. The reversal of 121453002 is 200354121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121453001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29133 + ... + 33039.

It is an arithmetic number, because the mean of its divisors is an integer number (6020274).

Almost surely, 2^121453002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121453002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144486576).

121453002 is an abundant number, since it is smaller than the sum of its proper divisors (167520150).

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

121453002 is a wasteful number, since it uses less digits than its factorization.

121453002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 121453002 is about 11020.5717637516. The cubic root of 121453002 is about 495.2252173793.

The spelling of 121453002 in words is "one hundred twenty-one million, four hundred fifty-three thousand, two".