1042654578 has 32 divisors (see below), whose sum is σ = 2422285440. Its totient is φ = 293016960.

The previous prime is 1042654567. The next prime is 1042654597. The reversal of 1042654578 is 8754562401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 200923 + ... + 206046.

It is an arithmetic number, because the mean of its divisors is an integer number (75696420).

Almost surely, 2^1042654578 is an apocalyptic number.

1042654578 is an abundant number, since it is smaller than the sum of its proper divisors (1379630862).

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

1042654578 is a wasteful number, since it uses less digits than its factorization.

1042654578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407042.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 1042654578 is about 32290.1622479665. The cubic root of 1042654578 is about 1014.0206940756.

The spelling of 1042654578 in words is "one billion, forty-two million, six hundred fifty-four thousand, five hundred seventy-eight".