101009764 has 6 divisors (see below), whose sum is σ = 176767094. Its totient is φ = 50504880.

The previous prime is 101009761. The next prime is 101009791. The reversal of 101009764 is 467900101.

It can be written as a sum of positive squares in only one way, i.e., 90820900 + 10188864 = 9530^2 + 3192^2 .

It is not an unprimeable number, because it can be changed into a prime (101009761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626217 + ... + 12626224.

Almost surely, 2^101009764 is an apocalyptic number.

It is an amenable number.

101009764 is a deficient number, since it is larger than the sum of its proper divisors (75757330).

101009764 is a wasteful number, since it uses less digits than its factorization.

101009764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25252445 (or 25252443 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 101009764 is about 10050.3613865373. The cubic root of 101009764 is about 465.7159572410.

Adding to 101009764 its reverse (467900101), we get a palindrome (568909865).

The spelling of 101009764 in words is "one hundred one million, nine thousand, seven hundred sixty-four".