1201298730 has 16 divisors (see below), whose sum is σ = 2883117024. Its totient is φ = 320346320.

The previous prime is 1201298719. The next prime is 1201298759. The reversal of 1201298730 is 378921021.

It is a super-2 number, since 2×1201298730² = 2886237277399225800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1201298691 and 1201298700.

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, 20021616 + ... + 20021675.

It is an arithmetic number, because the mean of its divisors is an integer number (180194814).

Almost surely, 2^1201298730 is an apocalyptic number.

1201298730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201298730 is an abundant number, since it is smaller than the sum of its proper divisors (1681818294).

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

1201298730 is a wasteful number, since it uses less digits than its factorization.

1201298730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043301.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1201298730 is about 34659.7566350371. The cubic root of 1201298730 is about 1063.0417938987.

The spelling of 1201298730 in words is "one billion, two hundred one million, two hundred ninety-eight thousand, seven hundred thirty".