1101972764 has 6 divisors (see below), whose sum is σ = 1928452344. Its totient is φ = 550986380.

The previous prime is 1101972761. The next prime is 1101972797. The reversal of 1101972764 is 4672791011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101972761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137746592 + ... + 137746599.

It is an arithmetic number, because the mean of its divisors is an integer number (321408724).

Almost surely, 2^1101972764 is an apocalyptic number.

It is an amenable number.

1101972764 is a deficient number, since it is larger than the sum of its proper divisors (826479580).

1101972764 is a wasteful number, since it uses less digits than its factorization.

1101972764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275493195 (or 275493193 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 1101972764 is about 33195.9751174747. The cubic root of 1101972764 is about 1032.8968514744.

The spelling of 1101972764 in words is "one billion, one hundred one million, nine hundred seventy-two thousand, seven hundred sixty-four".