1151214125 has 16 divisors (see below), whose sum is σ = 1438992048. Its totient is φ = 919512000.

The previous prime is 1151214121. The next prime is 1151214133. The reversal of 1151214125 is 5214121511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7557001 + 1143657124 = 2749^2 + 33818^2 .

It is not a de Polignac number, because 1151214125 - 2² = 1151214121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151214125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151214121) 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 15 ways as a sum of consecutive naturals, for example, 75659 + ... + 89591.

It is an arithmetic number, because the mean of its divisors is an integer number (89937003).

Almost surely, 2^1151214125 is an apocalyptic number.

It is an amenable number.

1151214125 is a deficient number, since it is larger than the sum of its proper divisors (287777923).

1151214125 is an equidigital number, since it uses as much as digits as its factorization.

1151214125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14609 (or 14599 counting only the distinct ones).

The product of its digits is 400, while the sum is 23.

The square root of 1151214125 is about 33929.5464897484. The cubic root of 1151214125 is about 1048.0581267048.

Adding to 1151214125 its reverse (5214121511), we get a palindrome (6365335636).

The spelling of 1151214125 in words is "one billion, one hundred fifty-one million, two hundred fourteen thousand, one hundred twenty-five".