1400242 has 8 divisors (see below), whose sum is σ = 2107116. Its totient is φ = 697872.

The previous prime is 1400197. The next prime is 1400249. The reversal of 1400242 is 2420041.

It can be written as a sum of positive squares in 2 ways, for example, as 1390041 + 10201 = 1179^2 + 101^2 .

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 (1400249) 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, 193 + ... + 1684.

2^1400242 is an apocalyptic number.

1400242 is a deficient number, since it is larger than the sum of its proper divisors (706874).

1400242 is a wasteful number, since it uses less digits than its factorization.

1400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1400242 is about 1183.3182158659. The cubic root of 1400242 is about 111.8753396159.

Adding to 1400242 its reverse (2420041), we get a palindrome (3820283).

The spelling of 1400242 in words is "one million, four hundred thousand, two hundred forty-two".