1301873530 has 16 divisors (see below), whose sum is σ = 2344609800. Its totient is φ = 520474432.

The previous prime is 1301873491. The next prime is 1301873557. The reversal of 1301873530 is 353781031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1053716521 + 248157009 = 32461^2 + 15753^2 .

It is a super-2 number, since 2×1301873530² = 3389749376229321800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301873492 and 1301873501.

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, 13909 + ... + 52888.

Almost surely, 2^1301873530 is an apocalyptic number.

1301873530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301873530 is a deficient number, since it is larger than the sum of its proper divisors (1042736270).

1301873530 is a wasteful number, since it uses less digits than its factorization.

1301873530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68753.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1301873530 is about 36081.4845869734. The cubic root of 1301873530 is about 1091.9169281401.

The spelling of 1301873530 in words is "one billion, three hundred one million, eight hundred seventy-three thousand, five hundred thirty".