1201034020 has 24 divisors (see below), whose sum is σ = 2670535224. Its totient is φ = 452153856.

The previous prime is 1201034017. The next prime is 1201034039. The reversal of 1201034020 is 204301021.

It can be written as a sum of positive squares in 4 ways, for example, as 124144164 + 1076889856 = 11142^2 + 32816^2 .

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, 1765887 + ... + 1766566.

It is an arithmetic number, because the mean of its divisors is an integer number (111272301).

Almost surely, 2^1201034020 is an apocalyptic number.

1201034020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201034020 is an abundant number, since it is smaller than the sum of its proper divisors (1469501204).

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

1201034020 is a wasteful number, since it uses less digits than its factorization.

1201034020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532479 (or 3532477 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1201034020 is about 34655.9377307843. The cubic root of 1201034020 is about 1062.9637066148.

Adding to 1201034020 its reverse (204301021), we get a palindrome (1405335041).

The spelling of 1201034020 in words is "one billion, two hundred one million, thirty-four thousand, twenty".