1211413027 has 16 divisors (see below), whose sum is σ = 1385866080. Its totient is φ = 1048723200.

The previous prime is 1211412953. The next prime is 1211413043. The reversal of 1211413027 is 7203141121.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211413027 is a prime.

It is a super-3 number, since 3×1211413027³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1211412989 and 1211413007.

It is not an unprimeable number, because it can be changed into a prime (1211413067) 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, 2724 + ... + 49297.

It is an arithmetic number, because the mean of its divisors is an integer number (86616630).

Almost surely, 2^1211413027 is an apocalyptic number.

1211413027 is a deficient number, since it is larger than the sum of its proper divisors (174453053).

1211413027 is a wasteful number, since it uses less digits than its factorization.

1211413027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52134.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1211413027 is about 34805.3591706794. The cubic root of 1211413027 is about 1066.0168756063.

Adding to 1211413027 its reverse (7203141121), we get a palindrome (8414554148).

The spelling of 1211413027 in words is "one billion, two hundred eleven million, four hundred thirteen thousand, twenty-seven".