1241420340 has 24 divisors (see below), whose sum is σ = 3475977120. Its totient is φ = 331045408.

The previous prime is 1241420339. The next prime is 1241420381. The reversal of 1241420340 is 430241421.

1241420340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1241420340² = 3082248921131431200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10345110 + ... + 10345229.

It is an arithmetic number, because the mean of its divisors is an integer number (144832380).

Almost surely, 2^1241420340 is an apocalyptic number.

1241420340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241420340 is an abundant number, since it is smaller than the sum of its proper divisors (2234556780).

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

1241420340 is a wasteful number, since it uses less digits than its factorization.

1241420340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20690351 (or 20690349 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1241420340 is about 35233.7954242798. The cubic root of 1241420340 is about 1074.7471090723.

Adding to 1241420340 its reverse (430241421), we get a palindrome (1671661761).

The spelling of 1241420340 in words is "one billion, two hundred forty-one million, four hundred twenty thousand, three hundred forty".