1214505442 has 16 divisors (see below), whose sum is σ = 1916524800. Its totient is φ = 576373840.

The previous prime is 1214505433. The next prime is 1214505443. The reversal of 1214505442 is 2445054121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214505442.

It is not an unprimeable number, because it can be changed into a prime (1214505443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174034 + ... + 180877.

It is an arithmetic number, because the mean of its divisors is an integer number (119782800).

Almost surely, 2^1214505442 is an apocalyptic number.

1214505442 is a deficient number, since it is larger than the sum of its proper divisors (702019358).

1214505442 is a wasteful number, since it uses less digits than its factorization.

1214505442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355001.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1214505442 is about 34849.7552645639. The cubic root of 1214505442 is about 1066.9231906253.

Adding to 1214505442 its reverse (2445054121), we get a palindrome (3659559563).

The spelling of 1214505442 in words is "one billion, two hundred fourteen million, five hundred five thousand, four hundred forty-two".