1122151405 has 8 divisors (see below), whose sum is σ = 1346853600. Its totient is φ = 897539856.

The previous prime is 1122151369. The next prime is 1122151409. The reversal of 1122151405 is 5041512211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122151405 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122151409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8466 + ... + 48124.

It is an arithmetic number, because the mean of its divisors is an integer number (168356700).

Almost surely, 2^1122151405 is an apocalyptic number.

It is an amenable number.

1122151405 is a deficient number, since it is larger than the sum of its proper divisors (224702195).

1122151405 is an equidigital number, since it uses as much as digits as its factorization.

1122151405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45323.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1122151405 is about 33498.5284005134. The cubic root of 1122151405 is about 1039.1633449246.

Adding to 1122151405 its reverse (5041512211), we get a palindrome (6163663616).

It can be divided in two parts, 11221 and 51405, that added together give a palindrome (62626).

The spelling of 1122151405 in words is "one billion, one hundred twenty-two million, one hundred fifty-one thousand, four hundred five".