1214651242 has 16 divisors (see below), whose sum is σ = 2083518720. Its totient is φ = 520249968.

The previous prime is 1214651239. The next prime is 1214651261. The reversal of 1214651242 is 2421564121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214651242.

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, 1458 + ... + 49309.

It is an arithmetic number, because the mean of its divisors is an integer number (130219920).

Almost surely, 2^1214651242 is an apocalyptic number.

1214651242 is a deficient number, since it is larger than the sum of its proper divisors (868867478).

1214651242 is a wasteful number, since it uses less digits than its factorization.

1214651242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52485.

The product of its digits is 3840, while the sum is 28.

The square root of 1214651242 is about 34851.8470385717. The cubic root of 1214651242 is about 1066.9658832231.

The spelling of 1214651242 in words is "one billion, two hundred fourteen million, six hundred fifty-one thousand, two hundred forty-two".