1214145530 has 16 divisors (see below), whose sum is σ = 2353574664. Its totient is φ = 448299840.

The previous prime is 1214145509. The next prime is 1214145599. The reversal of 1214145530 is 355414121.

It can be written as a sum of positive squares in 4 ways, for example, as 707400409 + 506745121 = 26597^2 + 22511^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1214145530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4669661 + ... + 4669920.

Almost surely, 2^1214145530 is an apocalyptic number.

1214145530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214145530 is a deficient number, since it is larger than the sum of its proper divisors (1139429134).

1214145530 is a wasteful number, since it uses less digits than its factorization.

1214145530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9339601.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1214145530 is about 34844.5911154084. The cubic root of 1214145530 is about 1066.8177879420.

Adding to 1214145530 its reverse (355414121), we get a palindrome (1569559651).

The spelling of 1214145530 in words is "one billion, two hundred fourteen million, one hundred forty-five thousand, five hundred thirty".