1051204051 has 4 divisors (see below), whose sum is σ = 1106530600. Its totient is φ = 995877504.

The previous prime is 1051204031. The next prime is 1051204069. The reversal of 1051204051 is 1504021501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1504021501 = 17 ⋅88471853.

It is a cyclic number.

It is not a de Polignac number, because 1051204051 - 2⁹ = 1051203539 is a prime.

It is a super-2 number, since 2×1051204051² = 2210059913677621202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 55326529 = 1051204051 / (1 + 0 + 5 + 1 + 2 + 0 + 4 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051204001) 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, 27663246 + ... + 27663283.

It is an arithmetic number, because the mean of its divisors is an integer number (276632650).

Almost surely, 2^1051204051 is an apocalyptic number.

1051204051 is a deficient number, since it is larger than the sum of its proper divisors (55326549).

1051204051 is an equidigital number, since it uses as much as digits as its factorization.

1051204051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55326548.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1051204051 is about 32422.2770791936. The cubic root of 1051204051 is about 1016.7847141377.

Adding to 1051204051 its reverse (1504021501), we get a palindrome (2555225552).

The spelling of 1051204051 in words is "one billion, fifty-one million, two hundred four thousand, fifty-one".