1202124340 has 48 divisors (see below), whose sum is σ = 2593926720. Its totient is φ = 467712000.

The previous prime is 1202124331. The next prime is 1202124347. The reversal of 1202124340 is 434212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202124347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213076 + ... + 218644.

It is an arithmetic number, because the mean of its divisors is an integer number (54040140).

Almost surely, 2^1202124340 is an apocalyptic number.

1202124340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202124340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296963360).

1202124340 is an abundant number, since it is smaller than the sum of its proper divisors (1391802380).

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

1202124340 is a wasteful number, since it uses less digits than its factorization.

1202124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1202124340 is about 34671.6647999487. The cubic root of 1202124340 is about 1063.2852684342.

Adding to 1202124340 its reverse (434212021), we get a palindrome (1636336361).

The spelling of 1202124340 in words is "one billion, two hundred two million, one hundred twenty-four thousand, three hundred forty".