1214357871 has 16 divisors (see below), whose sum is σ = 1676017664. Its totient is φ = 781480224.

The previous prime is 1214357867. The next prime is 1214357929. The reversal of 1214357871 is 1787534121.

It is a happy number.

It is not a de Polignac number, because 1214357871 - 2² = 1214357867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214357071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28975 + ... + 57168.

It is an arithmetic number, because the mean of its divisors is an integer number (104751104).

Almost surely, 2^1214357871 is an apocalyptic number.

1214357871 is a deficient number, since it is larger than the sum of its proper divisors (461659793).

1214357871 is a wasteful number, since it uses less digits than its factorization.

1214357871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86310.

The product of its digits is 47040, while the sum is 39.

The square root of 1214357871 is about 34847.6379543865. The cubic root of 1214357871 is about 1066.8799759707.

The spelling of 1214357871 in words is "one billion, two hundred fourteen million, three hundred fifty-seven thousand, eight hundred seventy-one".