1028752142 has 32 divisors (see below), whose sum is σ = 1773114624. Its totient is φ = 443080000.

The previous prime is 1028752117. The next prime is 1028752147. The reversal of 1028752142 is 2412578201.

It is a junction number, because it is equal to n+sod(n) for n = 1028752099 and 1028752108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028752147) 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, 44642 + ... + 63642.

It is an arithmetic number, because the mean of its divisors is an integer number (55409832).

Almost surely, 2^1028752142 is an apocalyptic number.

1028752142 is a deficient number, since it is larger than the sum of its proper divisors (744362482).

1028752142 is a wasteful number, since it uses less digits than its factorization.

1028752142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19144.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1028752142 is about 32074.1662713156. The cubic root of 1028752142 is about 1009.4936330475.

The spelling of 1028752142 in words is "one billion, twenty-eight million, seven hundred fifty-two thousand, one hundred forty-two".