1201255030 has 16 divisors (see below), whose sum is σ = 2164851360. Its totient is φ = 479925952.

The previous prime is 1201255021. The next prime is 1201255039. The reversal of 1201255030 is 305521021.

It is an interprime number because it is at equal distance from previous prime (1201255021) and next prime (1201255039).

It is a junction number, because it is equal to n+sod(n) for n = 1201254989 and 1201255007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201255039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63199 + ... + 79978.

It is an arithmetic number, because the mean of its divisors is an integer number (135303210).

Almost surely, 2^1201255030 is an apocalyptic number.

1201255030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201255030 is a deficient number, since it is larger than the sum of its proper divisors (963596330).

1201255030 is a wasteful number, since it uses less digits than its factorization.

1201255030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144023.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1201255030 is about 34659.1262151832. The cubic root of 1201255030 is about 1063.0289035469.

Adding to 1201255030 its reverse (305521021), we get a palindrome (1506776051).

The spelling of 1201255030 in words is "one billion, two hundred one million, two hundred fifty-five thousand, thirty".