1214658742 has 12 divisors (see below), whose sum is σ = 2002681548. Its totient is φ = 552117500.

The previous prime is 1214658719. The next prime is 1214658751. The reversal of 1214658742 is 2478564121.

It is a junction number, because it is equal to n+sod(n) for n = 1214658695 and 1214658704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2509384 + ... + 2509867.

It is an arithmetic number, because the mean of its divisors is an integer number (166890129).

Almost surely, 2^1214658742 is an apocalyptic number.

1214658742 is a deficient number, since it is larger than the sum of its proper divisors (788022806).

1214658742 is a wasteful number, since it uses less digits than its factorization.

1214658742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019275 (or 5019264 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 1214658742 is about 34851.9546367202. The cubic root of 1214658742 is about 1066.9680792520.

It can be divided in two parts, 1214 and 658742, that added together give a palindrome (659956).

The spelling of 1214658742 in words is "one billion, two hundred fourteen million, six hundred fifty-eight thousand, seven hundred forty-two".