1300121210 has 16 divisors (see below), whose sum is σ = 2357056800. Its totient is φ = 516306576.

The previous prime is 1300121203. The next prime is 1300121231. The reversal of 1300121210 is 121210031.

It is a junction number, because it is equal to n+sod(n) for n = 1300121191 and 1300121200.

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, 466280 + ... + 469059.

It is an arithmetic number, because the mean of its divisors is an integer number (147316050).

Almost surely, 2^1300121210 is an apocalyptic number.

1300121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1300121210 is a deficient number, since it is larger than the sum of its proper divisors (1056935590).

1300121210 is a wasteful number, since it uses less digits than its factorization.

1300121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935485.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1300121210 is about 36057.1935957307. The cubic root of 1300121210 is about 1091.4268019381.

Adding to 1300121210 its reverse (121210031), we get a palindrome (1421331241).

The spelling of 1300121210 in words is "one billion, three hundred million, one hundred twenty-one thousand, two hundred ten".