1542001401 has 8 divisors (see below), whose sum is σ = 2284446560. Its totient is φ = 1028000916.

The previous prime is 1542001399. The next prime is 1542001421. The reversal of 1542001401 is 1041002451.

It is not a de Polignac number, because 1542001401 - 2¹ = 1542001399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542001421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28555555 + ... + 28555608.

It is an arithmetic number, because the mean of its divisors is an integer number (285555820).

Almost surely, 2^1542001401 is an apocalyptic number.

It is an amenable number.

1542001401 is a deficient number, since it is larger than the sum of its proper divisors (742445159).

1542001401 is an equidigital number, since it uses as much as digits as its factorization.

1542001401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57111172 (or 57111166 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1542001401 is about 39268.3256709527. The cubic root of 1542001401 is about 1155.3003974928.

Adding to 1542001401 its reverse (1041002451), we get a palindrome (2583003852).

The spelling of 1542001401 in words is "one billion, five hundred forty-two million, one thousand, four hundred one".