1210402 has 16 divisors (see below), whose sum is σ = 1927800. Its totient is φ = 568960.

The previous prime is 1210399. The next prime is 1210403. The reversal of 1210402 is 2040121.

It can be written as a sum of positive squares in 4 ways, for example, as 938961 + 271441 = 969^2 + 521^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1210403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124 + ... + 2632.

2^1210402 is an apocalyptic number.

1210402 is a deficient number, since it is larger than the sum of its proper divisors (717398).

1210402 is a wasteful number, since it uses less digits than its factorization.

1210402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1210402 is about 1100.1827120983. The cubic root of 1210402 is about 106.5720232543.

Adding to 1210402 its reverse (2040121), we get a palindrome (3250523).

The spelling of 1210402 in words is "one million, two hundred ten thousand, four hundred two".