1201140053 has 4 divisors (see below), whose sum is σ = 1201589760. Its totient is φ = 1200690348.

The previous prime is 1201140047. The next prime is 1201140071. The reversal of 1201140053 is 3500411021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201140053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201140023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220823 + ... + 226196.

It is an arithmetic number, because the mean of its divisors is an integer number (300397440).

Almost surely, 2^1201140053 is an apocalyptic number.

It is an amenable number.

1201140053 is a deficient number, since it is larger than the sum of its proper divisors (449707).

1201140053 is an equidigital number, since it uses as much as digits as its factorization.

1201140053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449706.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1201140053 is about 34657.4674925910. The cubic root of 1201140053 is about 1062.9949868595.

Adding to 1201140053 its reverse (3500411021), we get a palindrome (4701551074).

The spelling of 1201140053 in words is "one billion, two hundred one million, one hundred forty thousand, fifty-three".