1214257671 has 12 divisors (see below), whose sum is σ = 1913375880. Its totient is φ = 735913680.

The previous prime is 1214257669. The next prime is 1214257673. The reversal of 1214257671 is 1767524121.

1214257671 is a `hidden beast` number, since 1 + 2 + 14 + 2 + 576 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (1214257669) and next prime (1214257673).

It is not a de Polignac number, because 1214257671 - 2¹ = 1214257669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214257673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6132516 + ... + 6132713.

It is an arithmetic number, because the mean of its divisors is an integer number (159447990).

Almost surely, 2^1214257671 is an apocalyptic number.

1214257671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1214257671 is a deficient number, since it is larger than the sum of its proper divisors (699118209).

1214257671 is a wasteful number, since it uses less digits than its factorization.

1214257671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265246 (or 12265243 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 1214257671 is about 34846.2002376156. The cubic root of 1214257671 is about 1066.8506314322.

The spelling of 1214257671 in words is "one billion, two hundred fourteen million, two hundred fifty-seven thousand, six hundred seventy-one".