401203402 has 4 divisors (see below), whose sum is σ = 601805106. Its totient is φ = 200601700.

The previous prime is 401203391. The next prime is 401203403. The reversal of 401203402 is 204302104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 363245481 + 37957921 = 19059^2 + 6161^2 .

It is not an unprimeable number, because it can be changed into a prime (401203403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100300849 + ... + 100300852.

Almost surely, 2^401203402 is an apocalyptic number.

401203402 is a deficient number, since it is larger than the sum of its proper divisors (200601704).

401203402 is a wasteful number, since it uses less digits than its factorization.

401203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200601703.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 401203402 is about 20030.0624562182. The cubic root of 401203402 is about 737.5444551198.

Adding to 401203402 its reverse (204302104), we get a palindrome (605505506).

The spelling of 401203402 in words is "four hundred one million, two hundred three thousand, four hundred two".