1120615253 has 8 divisors (see below), whose sum is σ = 1124628120. Its totient is φ = 1116610560.

The previous prime is 1120615241. The next prime is 1120615271. The reversal of 1120615253 is 3525160211.

It can be written as a sum of positive squares in 4 ways, for example, as 133587364 + 987027889 = 11558^2 + 31417^2 .

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 1120615253 - 2¹⁸ = 1120353109 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 (1120615213) 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, 399251 + ... + 402047.

It is an arithmetic number, because the mean of its divisors is an integer number (140578515).

Almost surely, 2^1120615253 is an apocalyptic number.

It is an amenable number.

1120615253 is a deficient number, since it is larger than the sum of its proper divisors (4012867).

1120615253 is an equidigital number, since it uses as much as digits as its factorization.

1120615253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1120615253 is about 33475.5918991733. The cubic root of 1120615253 is about 1038.6889461302.

Adding to 1120615253 its reverse (3525160211), we get a palindrome (4645775464).

The spelling of 1120615253 in words is "one billion, one hundred twenty million, six hundred fifteen thousand, two hundred fifty-three".