1137220453 has 8 divisors (see below), whose sum is σ = 1142901368. Its totient is φ = 1131551424.

The previous prime is 1137220451. The next prime is 1137220459. The reversal of 1137220453 is 3540227311.

It can be written as a sum of positive squares in 4 ways, for example, as 6041764 + 1131178689 = 2458^2 + 33633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1137220453 - 2¹ = 1137220451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137220451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233875 + ... + 238687.

It is an arithmetic number, because the mean of its divisors is an integer number (142862671).

Almost surely, 2^1137220453 is an apocalyptic number.

It is an amenable number.

1137220453 is a deficient number, since it is larger than the sum of its proper divisors (5680915).

1137220453 is an equidigital number, since it uses as much as digits as its factorization.

1137220453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1137220453 is about 33722.6993729743. The cubic root of 1137220453 is about 1043.7942192269.

Adding to 1137220453 its reverse (3540227311), we get a palindrome (4677447764).

The spelling of 1137220453 in words is "one billion, one hundred thirty-seven million, two hundred twenty thousand, four hundred fifty-three".