1214525123531 has 4 divisors (see below), whose sum is σ = 1214527331064. Its totient is φ = 1214522916000.

The previous prime is 1214525123477. The next prime is 1214525123551. The reversal of 1214525123531 is 1353215254121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1214525123531 - 2³⁰ = 1213451381707 is a prime.

It is a super-3 number, since 3×1214525123531³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214525123491 and 1214525123500.

It is not an unprimeable number, because it can be changed into a prime (1214525123551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459731 + ... + 1624931.

It is an arithmetic number, because the mean of its divisors is an integer number (303631832766).

Almost surely, 2^{1214525123531} is an apocalyptic number.

1214525123531 is a deficient number, since it is larger than the sum of its proper divisors (2207533).

1214525123531 is a wasteful number, since it uses less digits than its factorization.

1214525123531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207532.

The product of its digits is 36000, while the sum is 35.

The spelling of 1214525123531 in words is "one trillion, two hundred fourteen billion, five hundred twenty-five million, one hundred twenty-three thousand, five hundred thirty-one".