1241540142 has 64 divisors (see below), whose sum is σ = 2732851200. Its totient is φ = 374531040.

The previous prime is 1241540129. The next prime is 1241540171. The reversal of 1241540142 is 2410451421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276963 + ... + 281409.

It is an arithmetic number, because the mean of its divisors is an integer number (42700800).

Almost surely, 2^1241540142 is an apocalyptic number.

1241540142 is an abundant number, since it is smaller than the sum of its proper divisors (1491311058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241540142 is a wasteful number, since it uses less digits than its factorization.

1241540142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1241540142 is about 35235.4954839577. The cubic root of 1241540142 is about 1074.7816804170.

Adding to 1241540142 its reverse (2410451421), we get a palindrome (3651991563).

The spelling of 1241540142 in words is "one billion, two hundred forty-one million, five hundred forty thousand, one hundred forty-two".