1031402 has 4 divisors (see below), whose sum is σ = 1547106. Its totient is φ = 515700.

The previous prime is 1031399. The next prime is 1031411. The reversal of 1031402 is 2041301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2041301 = 349 ⋅5849.

It can be written as a sum of positive squares in only one way, i.e., 790321 + 241081 = 889^2 + 491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257849 + ... + 257852.

2^1031402 is an apocalyptic number.

1031402 is a deficient number, since it is larger than the sum of its proper divisors (515704).

1031402 is an equidigital number, since it uses as much as digits as its factorization.

1031402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515703.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1031402 is about 1015.5796374485. The cubic root of 1031402 is about 101.0359640574.

Adding to 1031402 its reverse (2041301), we get a palindrome (3072703).

The spelling of 1031402 in words is "one million, thirty-one thousand, four hundred two".