1051234451 has 4 divisors (see below), whose sum is σ = 1106562600. Its totient is φ = 995906304.

The previous prime is 1051234441. The next prime is 1051234487. The reversal of 1051234451 is 1544321501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1544321501 = 19 ⋅81280079.

It is a cyclic number.

It is not a de Polignac number, because 1051234451 - 2²² = 1047040147 is a prime.

It is a super-2 number, since 2×1051234451² = 2210187741938542802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051234451.

It is not an unprimeable number, because it can be changed into a prime (1051234441) 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, 27664046 + ... + 27664083.

It is an arithmetic number, because the mean of its divisors is an integer number (276640650).

Almost surely, 2^1051234451 is an apocalyptic number.

1051234451 is a deficient number, since it is larger than the sum of its proper divisors (55328149).

1051234451 is an equidigital number, since it uses as much as digits as its factorization.

1051234451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55328148.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1051234451 is about 32422.7458892673. The cubic root of 1051234451 is about 1016.7945155831.

Adding to 1051234451 its reverse (1544321501), we get a palindrome (2595555952).

The spelling of 1051234451 in words is "one billion, fifty-one million, two hundred thirty-four thousand, four hundred fifty-one".