1121453501 has 16 divisors (see below), whose sum is σ = 1361517696. Its totient is φ = 901725696.

The previous prime is 1121453477. The next prime is 1121453503. The reversal of 1121453501 is 1053541211.

It is a de Polignac number, because none of the positive numbers 2^k-1121453501 is a prime.

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, 21185 + ... + 51881.

It is an arithmetic number, because the mean of its divisors is an integer number (85094856).

Almost surely, 2^1121453501 is an apocalyptic number.

It is an amenable number.

1121453501 is a deficient number, since it is larger than the sum of its proper divisors (240064195).

1121453501 is a wasteful number, since it uses less digits than its factorization.

1121453501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31028.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1121453501 is about 33488.1098451376. The cubic root of 1121453501 is about 1038.9478699440.

Adding to 1121453501 its reverse (1053541211), we get a palindrome (2174994712).

The spelling of 1121453501 in words is "one billion, one hundred twenty-one million, four hundred fifty-three thousand, five hundred one".