1242354113 has 32 divisors (see below), whose sum is σ = 1725615360. Its totient is φ = 862767360.

The previous prime is 1242354097. The next prime is 1242354137. The reversal of 1242354113 is 3114532421.

It is a happy number.

It is not a de Polignac number, because 1242354113 - 2⁴ = 1242354097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242354163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7631 + ... + 50427.

It is an arithmetic number, because the mean of its divisors is an integer number (53925480).

Almost surely, 2^1242354113 is an apocalyptic number.

1242354113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1242354113 is a deficient number, since it is larger than the sum of its proper divisors (483261247).

1242354113 is a wasteful number, since it uses less digits than its factorization.

1242354113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42857.

The product of its digits is 2880, while the sum is 26.

The square root of 1242354113 is about 35247.0440320887. The cubic root of 1242354113 is about 1075.0165097158.

Adding to 1242354113 its reverse (3114532421), we get a palindrome (4356886534).

The spelling of 1242354113 in words is "one billion, two hundred forty-two million, three hundred fifty-four thousand, one hundred thirteen".