1401603402 has 8 divisors (see below), whose sum is σ = 2803206816. Its totient is φ = 467201132.

The previous prime is 1401603397. The next prime is 1401603407. The reversal of 1401603402 is 2043061041.

It is an interprime number because it is at equal distance from previous prime (1401603397) and next prime (1401603407).

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

1401603402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1401603407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116800278 + ... + 116800289.

It is an arithmetic number, because the mean of its divisors is an integer number (350400852).

Almost surely, 2^1401603402 is an apocalyptic number.

1401603402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401603402 is a wasteful number, since it uses less digits than its factorization.

1401603402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233600572.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1401603402 is about 37437.9940969064. The cubic root of 1401603402 is about 1119.1158524986.

Adding to 1401603402 its reverse (2043061041), we get a palindrome (3444664443).

The spelling of 1401603402 in words is "one billion, four hundred one million, six hundred three thousand, four hundred two".