1051421104 has 20 divisors (see below), whose sum is σ = 2043009864. Its totient is φ = 524192768.

The previous prime is 1051421099. The next prime is 1051421113. The reversal of 1051421104 is 4011241501.

It is a super-2 number, since 2×1051421104² = 2210972675873157632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89137 + ... + 100240.

Almost surely, 2^1051421104 is an apocalyptic number.

It is an amenable number.

1051421104 is a deficient number, since it is larger than the sum of its proper divisors (991588760).

1051421104 is a wasteful number, since it uses less digits than its factorization.

1051421104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189732 (or 189726 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1051421104 is about 32425.6241882866. The cubic root of 1051421104 is about 1016.8546913491.

Adding to 1051421104 its reverse (4011241501), we get a palindrome (5062662605).

The spelling of 1051421104 in words is "one billion, fifty-one million, four hundred twenty-one thousand, one hundred four".