1121404412342 has 16 divisors (see below), whose sum is σ = 1736515141632. Its totient is φ = 542569094760.

The previous prime is 1121404412339. The next prime is 1121404412411. The reversal of 1121404412342 is 2432144041211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21788 + ... + 1497759.

It is an arithmetic number, because the mean of its divisors is an integer number (108532196352).

Almost surely, 2^{1121404412342} is an apocalyptic number.

1121404412342 is a deficient number, since it is larger than the sum of its proper divisors (615110729290).

1121404412342 is a wasteful number, since it uses less digits than its factorization.

1121404412342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531483.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1121404412342 its reverse (2432144041211), we get a palindrome (3553548453553).

The spelling of 1121404412342 in words is "one trillion, one hundred twenty-one billion, four hundred four million, four hundred twelve thousand, three hundred forty-two".