1402078 has 8 divisors (see below), whose sum is σ = 2160072. Its totient is φ = 682056.

The previous prime is 1402061. The next prime is 1402081. The reversal of 1402078 is 8702041.

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

It is an Ulam number.

It is a congruent number.

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, 9400 + ... + 9547.

It is an arithmetic number, because the mean of its divisors is an integer number (270009).

2^1402078 is an apocalyptic number.

1402078 is a deficient number, since it is larger than the sum of its proper divisors (757994).

1402078 is a wasteful number, since it uses less digits than its factorization.

1402078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18986.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1402078 is about 1184.0937462887. The cubic root of 1402078 is about 111.9242153136.

The spelling of 1402078 in words is "one million, four hundred two thousand, seventy-eight".