1101240123 has 8 divisors (see below), whose sum is σ = 1469010768. Its totient is φ = 733814784.

The previous prime is 1101240109. The next prime is 1101240143. The reversal of 1101240123 is 3210421011.

1101240123 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1101240123 - 2¹⁸ = 1100977979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101240143) 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, 78790 + ... + 91707.

It is an arithmetic number, because the mean of its divisors is an integer number (183626346).

Almost surely, 2^1101240123 is an apocalyptic number.

1101240123 is a deficient number, since it is larger than the sum of its proper divisors (367770645).

1101240123 is a wasteful number, since it uses less digits than its factorization.

1101240123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172653.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1101240123 is about 33184.9381949101. The cubic root of 1101240123 is about 1032.6678953168.

Adding to 1101240123 its reverse (3210421011), we get a palindrome (4311661134).

The spelling of 1101240123 in words is "one billion, one hundred one million, two hundred forty thousand, one hundred twenty-three".