1120101251 has 4 divisors (see below), whose sum is σ = 1120563312. Its totient is φ = 1119639192.

The previous prime is 1120101247. The next prime is 1120101289. The reversal of 1120101251 is 1521010211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1120101251 - 2² = 1120101247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120101551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227375 + ... + 232248.

It is an arithmetic number, because the mean of its divisors is an integer number (280140828).

Almost surely, 2^1120101251 is an apocalyptic number.

1120101251 is a deficient number, since it is larger than the sum of its proper divisors (462061).

1120101251 is an equidigital number, since it uses as much as digits as its factorization.

1120101251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462060.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1120101251 is about 33467.9137533250. The cubic root of 1120101251 is about 1038.5301137856.

Adding to 1120101251 its reverse (1521010211), we get a palindrome (2641111462).

The spelling of 1120101251 in words is "one billion, one hundred twenty million, one hundred one thousand, two hundred fifty-one".