1051054403 has 4 divisors (see below), whose sum is σ = 1201205040. Its totient is φ = 900903768.

The previous prime is 1051054397. The next prime is 1051054439. The reversal of 1051054403 is 3044501501.

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 1051054403 - 2⁴ = 1051054387 is a prime.

It is a super-2 number, since 2×1051054403² = 2209430716131372818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051054463) 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, 75075308 + ... + 75075321.

It is an arithmetic number, because the mean of its divisors is an integer number (300301260).

Almost surely, 2^1051054403 is an apocalyptic number.

1051054403 is a deficient number, since it is larger than the sum of its proper divisors (150150637).

1051054403 is an equidigital number, since it uses as much as digits as its factorization.

1051054403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150150636.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1051054403 is about 32419.9692010958. The cubic root of 1051054403 is about 1016.7364624781.

Adding to 1051054403 its reverse (3044501501), we get a palindrome (4095555904).

The spelling of 1051054403 in words is "one billion, fifty-one million, fifty-four thousand, four hundred three".