1121453502 has 32 divisors (see below), whose sum is σ = 2471618688. Its totient is φ = 337036896.

The previous prime is 1121453477. The next prime is 1121453503. The reversal of 1121453502 is 2053541211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121453503) 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, 163828 + ... + 170535.

It is an arithmetic number, because the mean of its divisors is an integer number (77238084).

Almost surely, 2^1121453502 is an apocalyptic number.

1121453502 is an abundant number, since it is smaller than the sum of its proper divisors (1350165186).

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

1121453502 is a wasteful number, since it uses less digits than its factorization.

1121453502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334424.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1121453502 is about 33488.1098600682. The cubic root of 1121453502 is about 1038.9478702528.

Adding to 1121453502 its reverse (2053541211), we get a palindrome (3174994713).

The spelling of 1121453502 in words is "one billion, one hundred twenty-one million, four hundred fifty-three thousand, five hundred two".