1203671380 has 12 divisors (see below), whose sum is σ = 2527709940. Its totient is φ = 481468544.

The previous prime is 1203671353. The next prime is 1203671389. The reversal of 1203671380 is 831763021.

It can be written as a sum of positive squares in 2 ways, for example, as 239444676 + 964226704 = 15474^2 + 31052^2 .

It is a super-2 number, since 2×1203671380² = 2897649582062208800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203671389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30091765 + ... + 30091804.

It is an arithmetic number, because the mean of its divisors is an integer number (210642495).

Almost surely, 2^1203671380 is an apocalyptic number.

1203671380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203671380 is an abundant number, since it is smaller than the sum of its proper divisors (1324038560).

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

1203671380 is a wasteful number, since it uses less digits than its factorization.

1203671380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60183578 (or 60183576 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1203671380 is about 34693.9674871583. The cubic root of 1203671380 is about 1063.7411945678.

The spelling of 1203671380 in words is "one billion, two hundred three million, six hundred seventy-one thousand, three hundred eighty".