1202146031 has 2 divisors, whose sum is σ = 1202146032. Its totient is φ = 1202146030.

The previous prime is 1202146013. The next prime is 1202146069. The reversal of 1202146031 is 1306412021.

Together with previous prime (1202146013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202146031 - 2¹⁴ = 1202129647 is a prime.

It is a super-2 number, since 2×1202146031² = 2890310159698105922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202145994 and 1202146012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202146931) 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 as a sum of consecutive naturals, namely, 601073015 + 601073016.

It is an arithmetic number, because the mean of its divisors is an integer number (601073016).

Almost surely, 2^1202146031 is an apocalyptic number.

1202146031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202146031 is an equidigital number, since it uses as much as digits as its factorization.

1202146031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1202146031 is about 34671.9776043998. The cubic root of 1202146031 is about 1063.2916636634.

Adding to 1202146031 its reverse (1306412021), we get a palindrome (2508558052).

The spelling of 1202146031 in words is "one billion, two hundred two million, one hundred forty-six thousand, thirty-one".