1401542 has 12 divisors (see below), whose sum is σ = 2158020. Its totient is φ = 682668.

The previous prime is 1401529. The next prime is 1401559. The reversal of 1401542 is 2451041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3509 + ... + 3887.

It is an arithmetic number, because the mean of its divisors is an integer number (179835).

2^1401542 is an apocalyptic number.

1401542 is a deficient number, since it is larger than the sum of its proper divisors (756478).

1401542 is an equidigital number, since it uses as much as digits as its factorization.

1401542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1401542 is about 1183.8673912225. The cubic root of 1401542 is about 111.9099510036.

Adding to 1401542 its reverse (2451041), we get a palindrome (3852583).

The spelling of 1401542 in words is "one million, four hundred one thousand, five hundred forty-two".