1542401012 has 24 divisors (see below), whose sum is σ = 2730789600. Its totient is φ = 762211296.

The previous prime is 1542401011. The next prime is 1542401027. The reversal of 1542401012 is 2101042451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542401011) 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, 178463 + ... + 186905.

It is an arithmetic number, because the mean of its divisors is an integer number (113782900).

Almost surely, 2^1542401012 is an apocalyptic number.

It is an amenable number.

1542401012 is a deficient number, since it is larger than the sum of its proper divisors (1188388588).

1542401012 is a wasteful number, since it uses less digits than its factorization.

1542401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975 (or 8973 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1542401012 is about 39273.4135516637. The cubic root of 1542401012 is about 1155.4001879063.

Adding to 1542401012 its reverse (2101042451), we get a palindrome (3643443463).

The spelling of 1542401012 in words is "one billion, five hundred forty-two million, four hundred one thousand, twelve".