1300121199 has 40 divisors (see below), whose sum is σ = 2100573552. Its totient is φ = 799917120.

The previous prime is 1300121197. The next prime is 1300121203. The reversal of 1300121199 is 9911210031.

It is not a de Polignac number, because 1300121199 - 2¹ = 1300121197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300121197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 253339 + ... + 258419.

Almost surely, 2^1300121199 is an apocalyptic number.

1300121199 is a deficient number, since it is larger than the sum of its proper divisors (800452353).

1300121199 is an frugal number, since it uses more digits than its factorization.

1300121199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 1300121199 is about 36057.1934431952. The cubic root of 1300121199 is about 1091.4267988600.

The spelling of 1300121199 in words is "one billion, three hundred million, one hundred twenty-one thousand, one hundred ninety-nine".