1240320102 has 64 divisors (see below), whose sum is σ = 3007632384. Its totient is φ = 332881920.

The previous prime is 1240320101. The next prime is 1240320121. The reversal of 1240320102 is 2010230421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240320101) 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, 449158 + ... + 451910.

It is an arithmetic number, because the mean of its divisors is an integer number (46994256).

Almost surely, 2^1240320102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240320102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503816192).

1240320102 is an abundant number, since it is smaller than the sum of its proper divisors (1767312282).

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

1240320102 is a wasteful number, since it uses less digits than its factorization.

1240320102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1240320102 is about 35218.1785730040. The cubic root of 1240320102 is about 1074.4295085850.

Adding to 1240320102 its reverse (2010230421), we get a palindrome (3250550523).

The spelling of 1240320102 in words is "one billion, two hundred forty million, three hundred twenty thousand, one hundred two".