1142513121442 has 48 divisors (see below), whose sum is σ = 2222281022976. Its totient is φ = 430775769600.

The previous prime is 1142513121427. The next prime is 1142513121457. The reversal of 1142513121442 is 2441213152411.

It is an interprime number because it is at equal distance from previous prime (1142513121427) and next prime (1142513121457).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10825663 + ... + 10930690.

It is an arithmetic number, because the mean of its divisors is an integer number (46297521312).

Almost surely, 2^{1142513121442} is an apocalyptic number.

1142513121442 is a deficient number, since it is larger than the sum of its proper divisors (1079767901534).

1142513121442 is a wasteful number, since it uses less digits than its factorization.

1142513121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21756415 (or 21756404 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

Adding to 1142513121442 its reverse (2441213152411), we get a palindrome (3583726273853).

The spelling of 1142513121442 in words is "one trillion, one hundred forty-two billion, five hundred thirteen million, one hundred twenty-one thousand, four hundred forty-two".