102011740 has 12 divisors (see below), whose sum is σ = 214224696. Its totient is φ = 40804688.

The previous prime is 102011737. The next prime is 102011743. The reversal of 102011740 is 47110201.

It is an interprime number because it is at equal distance from previous prime (102011737) and next prime (102011743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550274 + ... + 2550313.

It is an arithmetic number, because the mean of its divisors is an integer number (17852058).

Almost surely, 2^102011740 is an apocalyptic number.

102011740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011740 is an abundant number, since it is smaller than the sum of its proper divisors (112212956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102011740 is a wasteful number, since it uses less digits than its factorization.

102011740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100596 (or 5100594 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 102011740 is about 10100.0861382465. The cubic root of 102011740 is about 467.2507980103.

Adding to 102011740 its reverse (47110201), we get a palindrome (149121941).

The spelling of 102011740 in words is "one hundred two million, eleven thousand, seven hundred forty".