1025402 has 8 divisors (see below), whose sum is σ = 1757856. Its totient is φ = 439452.

The previous prime is 1025393. The next prime is 1025407. The reversal of 1025402 is 2045201.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 73243 = 1025402 / (1 + 0 + 2 + 5 + 4 + 0 + 2).

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1025407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36608 + ... + 36635.

It is an arithmetic number, because the mean of its divisors is an integer number (219732).

2^1025402 is an apocalyptic number.

1025402 is a deficient number, since it is larger than the sum of its proper divisors (732454).

1025402 is an equidigital number, since it uses as much as digits as its factorization.

1025402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73252.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1025402 is about 1012.6213507526. The cubic root of 1025402 is about 100.8396632564.

The spelling of 1025402 in words is "one million, twenty-five thousand, four hundred two".