1214124551 has 16 divisors (see below), whose sum is σ = 1245753600. Its totient is φ = 1183059648.

The previous prime is 1214124533. The next prime is 1214124599. The reversal of 1214124551 is 1554214121.

It is a happy number.

It is not a de Polignac number, because 1214124551 - 2²² = 1209930247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214124551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214124511) 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, 1961120 + ... + 1961738.

It is an arithmetic number, because the mean of its divisors is an integer number (77859600).

Almost surely, 2^1214124551 is an apocalyptic number.

1214124551 is a deficient number, since it is larger than the sum of its proper divisors (31629049).

1214124551 is a wasteful number, since it uses less digits than its factorization.

1214124551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its digits is 1600, while the sum is 26.

The square root of 1214124551 is about 34844.2900774288. The cubic root of 1214124551 is about 1066.8116434564.

Adding to 1214124551 its reverse (1554214121), we get a palindrome (2768338672).

The spelling of 1214124551 in words is "one billion, two hundred fourteen million, one hundred twenty-four thousand, five hundred fifty-one".