1211180060 has 24 divisors (see below), whose sum is σ = 2560328736. Its totient is φ = 481262400.

The previous prime is 1211180059. The next prime is 1211180063. The reversal of 1211180060 is 600811121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211180063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197507 + ... + 203546.

It is an arithmetic number, because the mean of its divisors is an integer number (106680364).

Almost surely, 2^1211180060 is an apocalyptic number.

1211180060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211180060 is an abundant number, since it is smaller than the sum of its proper divisors (1349148676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211180060 is a wasteful number, since it uses less digits than its factorization.

1211180060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401213 (or 401211 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 1211180060 is about 34802.0122981416. The cubic root of 1211180060 is about 1065.9485359430.

Adding to 1211180060 its reverse (600811121), we get a palindrome (1811991181).

The spelling of 1211180060 in words is "one billion, two hundred eleven million, one hundred eighty thousand, sixty".