1120140245 has 16 divisors (see below), whose sum is σ = 1567545600. Its totient is φ = 768094992.

The previous prime is 1120140223. The next prime is 1120140247. The reversal of 1120140245 is 5420410211.

It is a happy number.

It is not a de Polignac number, because 1120140245 - 2¹⁴ = 1120123861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120140247) 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, 324857 + ... + 328286.

It is an arithmetic number, because the mean of its divisors is an integer number (97971600).

Almost surely, 2^1120140245 is an apocalyptic number.

It is an amenable number.

1120140245 is a deficient number, since it is larger than the sum of its proper divisors (447405355).

1120140245 is an frugal number, since it uses more digits than its factorization.

1120140245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653169 (or 653155 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1120140245 is about 33468.4963062280. The cubic root of 1120140245 is about 1038.5421650691.

Adding to 1120140245 its reverse (5420410211), we get a palindrome (6540550456).

The spelling of 1120140245 in words is "one billion, one hundred twenty million, one hundred forty thousand, two hundred forty-five".