1051400554 has 4 divisors (see below), whose sum is σ = 1577100834. Its totient is φ = 525700276.

The previous prime is 1051400533. The next prime is 1051400561. The reversal of 1051400554 is 4550041501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 726572025 + 324828529 = 26955^2 + 18023^2 .

It is a super-2 number, since 2×1051400554² = 2210886249903013832, 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 as a sum of consecutive naturals, namely, 262850137 + ... + 262850140.

Almost surely, 2^1051400554 is an apocalyptic number.

1051400554 is a deficient number, since it is larger than the sum of its proper divisors (525700280).

1051400554 is an equidigital number, since it uses as much as digits as its factorization.

1051400554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525700279.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1051400554 is about 32425.3073077188. The cubic root of 1051400554 is about 1016.8480665059.

The spelling of 1051400554 in words is "one billion, fifty-one million, four hundred thousand, five hundred fifty-four".