1214664542 has 16 divisors (see below), whose sum is σ = 2242457952. Its totient is φ = 480526560.

The previous prime is 1214664533. The next prime is 1214664553. The reversal of 1214664542 is 2454664121.

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, 3336809 + ... + 3337172.

It is an arithmetic number, because the mean of its divisors is an integer number (140153622).

Almost surely, 2^1214664542 is an apocalyptic number.

1214664542 is a deficient number, since it is larger than the sum of its proper divisors (1027793410).

1214664542 is a wasteful number, since it uses less digits than its factorization.

1214664542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674003.

The product of its digits is 46080, while the sum is 35.

The square root of 1214664542 is about 34852.0378457272. The cubic root of 1214664542 is about 1066.9697775081.

The spelling of 1214664542 in words is "one billion, two hundred fourteen million, six hundred sixty-four thousand, five hundred forty-two".