1128942562 has 32 divisors (see below), whose sum is σ = 2019147264. Its totient is φ = 467385600.

The previous prime is 1128942553. The next prime is 1128942583. The reversal of 1128942562 is 2652498211.

It is a happy number.

It is a super-2 number, since 2×1128942562² = 2549022616590247688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37093 + ... + 60280.

It is an arithmetic number, because the mean of its divisors is an integer number (63098352).

Almost surely, 2^1128942562 is an apocalyptic number.

1128942562 is a deficient number, since it is larger than the sum of its proper divisors (890204702).

1128942562 is a wasteful number, since it uses less digits than its factorization.

1128942562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97434.

The product of its digits is 69120, while the sum is 40.

The square root of 1128942562 is about 33599.7405049503. The cubic root of 1128942562 is about 1041.2554371669.

The spelling of 1128942562 in words is "one billion, one hundred twenty-eight million, nine hundred forty-two thousand, five hundred sixty-two".