1214145700 has 36 divisors (see below), whose sum is σ = 2652177472. Its totient is φ = 482436000.

The previous prime is 1214145683. The next prime is 1214145701. The reversal of 1214145700 is 75414121.

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 (1214145701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25104 + ... + 55303.

Almost surely, 2^1214145700 is an apocalyptic number.

1214145700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214145700 is an abundant number, since it is smaller than the sum of its proper divisors (1438031772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214145700 is a wasteful number, since it uses less digits than its factorization.

1214145700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80572 (or 80565 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1214145700 is about 34844.5935548113. The cubic root of 1214145700 is about 1066.8178377326.

Adding to 1214145700 its reverse (75414121), we get a palindrome (1289559821).

The spelling of 1214145700 in words is "one billion, two hundred fourteen million, one hundred forty-five thousand, seven hundred".