1214206450 has 24 divisors (see below), whose sum is σ = 2331279360. Its totient is φ = 470014800.

The previous prime is 1214206447. The next prime is 1214206451. The reversal of 1214206450 is 546024121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1214206451) 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, 390130 + ... + 393229.

It is an arithmetic number, because the mean of its divisors is an integer number (97136640).

Almost surely, 2^1214206450 is an apocalyptic number.

1214206450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214206450 is a deficient number, since it is larger than the sum of its proper divisors (1117072910).

1214206450 is a wasteful number, since it uses less digits than its factorization.

1214206450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783402 (or 783397 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1214206450 is about 34845.4652716821. The cubic root of 1214206450 is about 1066.8356302437.

The spelling of 1214206450 in words is "one billion, two hundred fourteen million, two hundred six thousand, four hundred fifty".