1128629654 has 4 divisors (see below), whose sum is σ = 1692944484. Its totient is φ = 564314826.

The previous prime is 1128629653. The next prime is 1128629669. The reversal of 1128629654 is 4569268211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128629653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282157412 + ... + 282157415.

It is an arithmetic number, because the mean of its divisors is an integer number (423236121).

Almost surely, 2^1128629654 is an apocalyptic number.

1128629654 is a deficient number, since it is larger than the sum of its proper divisors (564314830).

1128629654 is an equidigital number, since it uses as much as digits as its factorization.

1128629654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564314829.

The product of its digits is 207360, while the sum is 44.

The square root of 1128629654 is about 33595.0837772434. The cubic root of 1128629654 is about 1041.1592269982.

The spelling of 1128629654 in words is "one billion, one hundred twenty-eight million, six hundred twenty-nine thousand, six hundred fifty-four".