1122137406 has 48 divisors (see below), whose sum is σ = 2689106784. Its totient is φ = 335938752.

The previous prime is 1122137389. The next prime is 1122137407. The reversal of 1122137406 is 6047312211.

1122137406 is a `hidden beast` number, since 1 + 1 + 221 + 37 + 406 = 666.

1122137406 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1122137406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122137407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56146 + ... + 73461.

It is an arithmetic number, because the mean of its divisors is an integer number (56023058).

Almost surely, 2^1122137406 is an apocalyptic number.

1122137406 is an abundant number, since it is smaller than the sum of its proper divisors (1566969378).

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

1122137406 is a wasteful number, since it uses less digits than its factorization.

1122137406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129665 (or 129662 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1122137406 is about 33498.3194503844. The cubic root of 1122137406 is about 1039.1590236693.

Adding to 1122137406 its reverse (6047312211), we get a palindrome (7169449617).

The spelling of 1122137406 in words is "one billion, one hundred twenty-two million, one hundred thirty-seven thousand, four hundred six".