1254211315 has 16 divisors (see below), whose sum is σ = 1760064768. Its totient is φ = 840028896.

The previous prime is 1254211291. The next prime is 1254211319. The reversal of 1254211315 is 5131124521.

It is not a de Polignac number, because 1254211315 - 2¹⁵ = 1254178547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1254211315.

It is not an unprimeable number, because it can be changed into a prime (1254211319) 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, 415177 + ... + 418186.

It is an arithmetic number, because the mean of its divisors is an integer number (110004048).

Almost surely, 2^1254211315 is an apocalyptic number.

1254211315 is a deficient number, since it is larger than the sum of its proper divisors (505853453).

1254211315 is an equidigital number, since it uses as much as digits as its factorization.

1254211315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833418.

The product of its digits is 1200, while the sum is 25.

The square root of 1254211315 is about 35414.8459688871. The cubic root of 1254211315 is about 1078.4257227513.

Adding to 1254211315 its reverse (5131124521), we get a palindrome (6385335836).

It can be divided in two parts, 125421 and 1315, that added together give a square (126736 = 356²).

The spelling of 1254211315 in words is "one billion, two hundred fifty-four million, two hundred eleven thousand, three hundred fifteen".