1240065102 has 64 divisors (see below), whose sum is σ = 2756436480. Its totient is φ = 369921024.

The previous prime is 1240065091. The next prime is 1240065103. The reversal of 1240065102 is 2015600421.

It is a super-2 number, since 2×1240065102² = 3075522914396540808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240065103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418458 + ... + 421410.

It is an arithmetic number, because the mean of its divisors is an integer number (43069320).

Almost surely, 2^1240065102 is an apocalyptic number.

1240065102 is an abundant number, since it is smaller than the sum of its proper divisors (1516371378).

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

1240065102 is a wasteful number, since it uses less digits than its factorization.

1240065102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1240065102 is about 35214.5580974687. The cubic root of 1240065102 is about 1074.3558721363.

Adding to 1240065102 its reverse (2015600421), we get a palindrome (3255665523).

The spelling of 1240065102 in words is "one billion, two hundred forty million, sixty-five thousand, one hundred two".