1128274746 has 8 divisors (see below), whose sum is σ = 2256549504. Its totient is φ = 376091580.

The previous prime is 1128274733. The next prime is 1128274747. The reversal of 1128274746 is 6474728211.

It is a sphenic number, since it is the product of 3 distinct primes.

1128274746 is an admirable number.

It is a super-2 number, since 2×1128274746² = 2546007804922729032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1128274698 and 1128274707.

It is not an unprimeable number, because it can be changed into a prime (1128274747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94022890 + ... + 94022901.

It is an arithmetic number, because the mean of its divisors is an integer number (282068688).

Almost surely, 2^1128274746 is an apocalyptic number.

1128274746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128274746 is a wasteful number, since it uses less digits than its factorization.

1128274746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188045796.

The product of its digits is 150528, while the sum is 42.

The square root of 1128274746 is about 33589.8012200132. The cubic root of 1128274746 is about 1041.0500815175.

The spelling of 1128274746 in words is "one billion, one hundred twenty-eight million, two hundred seventy-four thousand, seven hundred forty-six".