1301921030 has 32 divisors (see below), whose sum is σ = 2505432384. Its totient is φ = 485369856.

The previous prime is 1301921017. The next prime is 1301921077. The reversal of 1301921030 is 301291031.

It is a junction number, because it is equal to n+sod(n) for n = 1301920993 and 1301921011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19667 + ... + 54686.

It is an arithmetic number, because the mean of its divisors is an integer number (78294762).

Almost surely, 2^1301921030 is an apocalyptic number.

1301921030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301921030 is a deficient number, since it is larger than the sum of its proper divisors (1203511354).

1301921030 is a wasteful number, since it uses less digits than its factorization.

1301921030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74480.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1301921030 is about 36082.1428133086. The cubic root of 1301921030 is about 1091.9302078282.

The spelling of 1301921030 in words is "one billion, three hundred one million, nine hundred twenty-one thousand, thirty".