1201828031 has 2 divisors, whose sum is σ = 1201828032. Its totient is φ = 1201828030.

The previous prime is 1201828013. The next prime is 1201828049. The reversal of 1201828031 is 1308281021.

Together with previous prime (1201828013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (1201828013) and next prime (1201828049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201828031 is a prime.

It is a super-2 number, since 2×1201828031² = 2888781232194673922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201828081) 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 as a sum of consecutive naturals, namely, 600914015 + 600914016.

It is an arithmetic number, because the mean of its divisors is an integer number (600914016).

Almost surely, 2^1201828031 is an apocalyptic number.

1201828031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201828031 is an equidigital number, since it uses as much as digits as its factorization.

1201828031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1201828031 is about 34667.3914651795. The cubic root of 1201828031 is about 1063.1978989684.

The spelling of 1201828031 in words is "one billion, two hundred one million, eight hundred twenty-eight thousand, thirty-one".