1025678242 has 8 divisors (see below), whose sum is σ = 1545417216. Its totient is φ = 510539172.

The previous prime is 1025678231. The next prime is 1025678279. The reversal of 1025678242 is 2428765201.

It is a happy number.

1025678242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1025678242² = 2104031712224421128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149418 + ... + 1150309.

It is an arithmetic number, because the mean of its divisors is an integer number (193177152).

Almost surely, 2^1025678242 is an apocalyptic number.

1025678242 is a deficient number, since it is larger than the sum of its proper divisors (519738974).

1025678242 is a wasteful number, since it uses less digits than its factorization.

1025678242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299952.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 1025678242 is about 32026.2117959649. The cubic root of 1025678242 is about 1008.4871780258.

The spelling of 1025678242 in words is "one billion, twenty-five million, six hundred seventy-eight thousand, two hundred forty-two".