1242014154 has 16 divisors (see below), whose sum is σ = 2614766880. Its totient is φ = 392214960.

The previous prime is 1242014149. The next prime is 1242014161. The reversal of 1242014154 is 4514102421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5447317 + ... + 5447544.

It is an arithmetic number, because the mean of its divisors is an integer number (163422930).

Almost surely, 2^1242014154 is an apocalyptic number.

1242014154 is an abundant number, since it is smaller than the sum of its proper divisors (1372752726).

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

1242014154 is a wasteful number, since it uses less digits than its factorization.

1242014154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10894885.

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

The square root of 1242014154 is about 35242.2211842557. The cubic root of 1242014154 is about 1074.9184445791.

Adding to 1242014154 its reverse (4514102421), we get a palindrome (5756116575).

The spelling of 1242014154 in words is "one billion, two hundred forty-two million, fourteen thousand, one hundred fifty-four".