1128298742 has 4 divisors (see below), whose sum is σ = 1692448116. Its totient is φ = 564149370.

The previous prime is 1128298697. The next prime is 1128298751. The reversal of 1128298742 is 2478928211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1128298693 and 1128298702.

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, 282074684 + ... + 282074687.

It is an arithmetic number, because the mean of its divisors is an integer number (423112029).

Almost surely, 2^1128298742 is an apocalyptic number.

1128298742 is a deficient number, since it is larger than the sum of its proper divisors (564149374).

1128298742 is an equidigital number, since it uses as much as digits as its factorization.

1128298742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564149373.

The product of its digits is 129024, while the sum is 44.

The square root of 1128298742 is about 33590.1584098676. The cubic root of 1128298742 is about 1041.0574617709.

The spelling of 1128298742 in words is "one billion, one hundred twenty-eight million, two hundred ninety-eight thousand, seven hundred forty-two".