1101355949 has 8 divisors (see below), whose sum is σ = 1134090240. Its totient is φ = 1068777936.

The previous prime is 1101355909. The next prime is 1101355961. The reversal of 1101355949 is 9495531011.

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-1101355949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101355909) 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, 24689 + ... + 53030.

It is an arithmetic number, because the mean of its divisors is an integer number (141761280).

Almost surely, 2^1101355949 is an apocalyptic number.

It is an amenable number.

1101355949 is a deficient number, since it is larger than the sum of its proper divisors (32734291).

1101355949 is an equidigital number, since it uses as much as digits as its factorization.

1101355949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78139.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 1101355949 is about 33186.6833082187. The cubic root of 1101355949 is about 1032.7040986225.

The spelling of 1101355949 in words is "one billion, one hundred one million, three hundred fifty-five thousand, nine hundred forty-nine".