1202134420 has 12 divisors (see below), whose sum is σ = 2524482324. Its totient is φ = 480853760.

The previous prime is 1202134363. The next prime is 1202134433. The reversal of 1202134420 is 244312021.

It can be written as a sum of positive squares in 2 ways, for example, as 449948944 + 752185476 = 21212^2 + 27426^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30053341 + ... + 30053380.

It is an arithmetic number, because the mean of its divisors is an integer number (210373527).

Almost surely, 2^1202134420 is an apocalyptic number.

1202134420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202134420 is an abundant number, since it is smaller than the sum of its proper divisors (1322347904).

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

1202134420 is a wasteful number, since it uses less digits than its factorization.

1202134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60106730 (or 60106728 counting only the distinct ones).

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

The square root of 1202134420 is about 34671.8101633013. The cubic root of 1202134420 is about 1063.2882403635.

Adding to 1202134420 its reverse (244312021), we get a palindrome (1446446441).

The spelling of 1202134420 in words is "one billion, two hundred two million, one hundred thirty-four thousand, four hundred twenty".