1128074542 has 32 divisors (see below), whose sum is σ = 2091184128. Its totient is φ = 445335936.

The previous prime is 1128074527. The next prime is 1128074543. The reversal of 1128074542 is 2454708211.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1128074498 and 1128074507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128074543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39238 + ... + 61609.

It is an arithmetic number, because the mean of its divisors is an integer number (65349504).

Almost surely, 2^1128074542 is an apocalyptic number.

1128074542 is a deficient number, since it is larger than the sum of its proper divisors (963109586).

1128074542 is a wasteful number, since it uses less digits than its factorization.

1128074542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100920.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1128074542 is about 33586.8209570361. The cubic root of 1128074542 is about 1040.9885023321.

The spelling of 1128074542 in words is "one billion, one hundred twenty-eight million, seventy-four thousand, five hundred forty-two".