1242110433254 has 32 divisors (see below), whose sum is σ = 1893179882016. Its totient is φ = 611130873600.

The previous prime is 1242110433241. The next prime is 1242110433271. The reversal of 1242110433254 is 4523340112421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242110433254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194898812 + ... + 194905184.

It is an arithmetic number, because the mean of its divisors is an integer number (59161871313).

Almost surely, 2^{1242110433254} is an apocalyptic number.

1242110433254 is a deficient number, since it is larger than the sum of its proper divisors (651069448762).

1242110433254 is a wasteful number, since it uses less digits than its factorization.

1242110433254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12440.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1242110433254 its reverse (4523340112421), we get a palindrome (5765450545675).

The spelling of 1242110433254 in words is "one trillion, two hundred forty-two billion, one hundred ten million, four hundred thirty-three thousand, two hundred fifty-four".