1054471906 has 4 divisors (see below), whose sum is σ = 1581707862. Its totient is φ = 527235952.

The previous prime is 1054471897. The next prime is 1054471921. The reversal of 1054471906 is 6091744501.

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., 843031225 + 211440681 = 29035^2 + 14541^2 .

It is a super-2 number, since 2×1054471906² = 2223822001086545672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263617975 + ... + 263617978.

Almost surely, 2^1054471906 is an apocalyptic number.

1054471906 is a deficient number, since it is larger than the sum of its proper divisors (527235956).

1054471906 is an equidigital number, since it uses as much as digits as its factorization.

1054471906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527235955.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1054471906 is about 32472.6331854994. The cubic root of 1054471906 is about 1017.8372430194.

The spelling of 1054471906 in words is "one billion, fifty-four million, four hundred seventy-one thousand, nine hundred six".