1000555454 has 4 divisors (see below), whose sum is σ = 1500833184. Its totient is φ = 500277726.

The previous prime is 1000555441. The next prime is 1000555487. The reversal of 1000555454 is 4545550001.

It is a happy number.

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

It is a super-2 number, since 2×1000555454² = 2002222433058292232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250138862 + ... + 250138865.

It is an arithmetic number, because the mean of its divisors is an integer number (375208296).

Almost surely, 2^1000555454 is an apocalyptic number.

1000555454 is a deficient number, since it is larger than the sum of its proper divisors (500277730).

1000555454 is an equidigital number, since it uses as much as digits as its factorization.

1000555454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500277729.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1000555454 is about 31631.5578813311. The cubic root of 1000555454 is about 1000.1851170629.

The spelling of 1000555454 in words is "one billion, five hundred fifty-five thousand, four hundred fifty-four".