1051420541 has 4 divisors (see below), whose sum is σ = 1059446784. Its totient is φ = 1043394300.

The previous prime is 1051420463. The next prime is 1051420547. The reversal of 1051420541 is 1450241501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1450241501 = 20147 ⋅71983.

It is a cyclic number.

It is not a de Polignac number, because 1051420541 - 2¹⁰ = 1051419517 is a prime.

It is a super-2 number, since 2×1051420541² = 2210970308073465362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051420547) 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, 4012925 + ... + 4013186.

It is an arithmetic number, because the mean of its divisors is an integer number (264861696).

Almost surely, 2^1051420541 is an apocalyptic number.

It is an amenable number.

1051420541 is a deficient number, since it is larger than the sum of its proper divisors (8026243).

1051420541 is an equidigital number, since it uses as much as digits as its factorization.

1051420541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026242.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1051420541 is about 32425.6155068797. The cubic root of 1051420541 is about 1016.8545098521.

The spelling of 1051420541 in words is "one billion, fifty-one million, four hundred twenty thousand, five hundred forty-one".