1103053251 has 32 divisors (see below), whose sum is σ = 1604252160. Its totient is φ = 672021504.

The previous prime is 1103053249. The next prime is 1103053261. The reversal of 1103053251 is 1523503011.

It is not a de Polignac number, because 1103053251 - 2¹ = 1103053249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103053201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191256 + ... + 196938.

It is an arithmetic number, because the mean of its divisors is an integer number (50132880).

Almost surely, 2^1103053251 is an apocalyptic number.

1103053251 is a deficient number, since it is larger than the sum of its proper divisors (501198909).

1103053251 is a wasteful number, since it uses less digits than its factorization.

1103053251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1103053251 is about 33212.2454977076. The cubic root of 1103053251 is about 1033.2343271659.

Adding to 1103053251 its reverse (1523503011), we get a palindrome (2626556262).

The spelling of 1103053251 in words is "one billion, one hundred three million, fifty-three thousand, two hundred fifty-one".