1000775542 has 48 divisors (see below), whose sum is σ = 1699221888. Its totient is φ = 438981120.

The previous prime is 1000775537. The next prime is 1000775549. The reversal of 1000775542 is 2455770001.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000775549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4295058 + ... + 4295290.

It is an arithmetic number, because the mean of its divisors is an integer number (35400456).

Almost surely, 2^1000775542 is an apocalyptic number.

1000775542 is a deficient number, since it is larger than the sum of its proper divisors (698446346).

1000775542 is a wasteful number, since it uses less digits than its factorization.

1000775542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 1000775542 is about 31635.0366208102. The cubic root of 1000775542 is about 1000.2584471993.

The spelling of 1000775542 in words is "one billion, seven hundred seventy-five thousand, five hundred forty-two".