1122540135 has 16 divisors (see below), whose sum is σ = 1802201184. Its totient is φ = 596642432.

The previous prime is 1122540131. The next prime is 1122540157. The reversal of 1122540135 is 5310452211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1122540135 - 2² = 1122540131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122540131) 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, 123312 + ... + 132101.

It is an arithmetic number, because the mean of its divisors is an integer number (112637574).

Almost surely, 2^1122540135 is an apocalyptic number.

1122540135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122540135 is a deficient number, since it is larger than the sum of its proper divisors (679661049).

1122540135 is a wasteful number, since it uses less digits than its factorization.

1122540135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255714.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1122540135 is about 33504.3300932879. The cubic root of 1122540135 is about 1039.2833249704.

Adding to 1122540135 its reverse (5310452211), we get a palindrome (6432992346).

It can be divided in two parts, 11225 and 40135, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 1122540135 in words is "one billion, one hundred twenty-two million, five hundred forty thousand, one hundred thirty-five".