1302772061 has 2 divisors, whose sum is σ = 1302772062. Its totient is φ = 1302772060.

The previous prime is 1302772039. The next prime is 1302772147. The reversal of 1302772061 is 1602772031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1225420036 + 77352025 = 35006^2 + 8795^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302772061 - 2⁶ = 1302771997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302772661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651386030 + 651386031.

It is an arithmetic number, because the mean of its divisors is an integer number (651386031).

Almost surely, 2^1302772061 is an apocalyptic number.

It is an amenable number.

1302772061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302772061 is an equidigital number, since it uses as much as digits as its factorization.

1302772061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1302772061 is about 36093.9338532114. The cubic root of 1302772061 is about 1092.1680778756.

The spelling of 1302772061 in words is "one billion, three hundred two million, seven hundred seventy-two thousand, sixty-one".