1051454042 has 4 divisors (see below), whose sum is σ = 1577181066. Its totient is φ = 525727020.

The previous prime is 1051454021. The next prime is 1051454059. The reversal of 1051454042 is 2404541501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2404541501 = 601 ⋅4000901.

It can be written as a sum of positive squares in only one way, i.e., 544708921 + 506745121 = 23339^2 + 22511^2 .

It is a super-2 number, since 2×1051454042² = 2211111204876275528, which contains 22 as substring.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262863509 + ... + 262863512.

Almost surely, 2^1051454042 is an apocalyptic number.

1051454042 is a deficient number, since it is larger than the sum of its proper divisors (525727024).

1051454042 is an equidigital number, since it uses as much as digits as its factorization.

1051454042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525727023.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1051454042 is about 32426.1320850946. The cubic root of 1051454042 is about 1016.8653096161.

Adding to 1051454042 its reverse (2404541501), we get a palindrome (3455995543).

The spelling of 1051454042 in words is "one billion, fifty-one million, four hundred fifty-four thousand, forty-two".