1401002 has 8 divisors (see below), whose sum is σ = 2141316. Its totient is φ = 687232.

The previous prime is 1400989. The next prime is 1401007. The reversal of 1401002 is 2001041.

It can be written as a sum of positive squares in 2 ways, for example, as 1394761 + 6241 = 1181^2 + 79^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1401007) 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, 6503 + ... + 6714.

2^1401002 is an apocalyptic number.

1401002 is a deficient number, since it is larger than the sum of its proper divisors (740314).

1401002 is a wasteful number, since it uses less digits than its factorization.

1401002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1401002 is about 1183.6393031663. The cubic root of 1401002 is about 111.8955765654.

Adding to 1401002 its reverse (2001041), we get a palindrome (3402043).

The spelling of 1401002 in words is "one million, four hundred one thousand, two".