1072012649 has 2 divisors, whose sum is σ = 1072012650. Its totient is φ = 1072012648.

The previous prime is 1072012631. The next prime is 1072012723. The reversal of 1072012649 is 9462102701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554131600 + 517881049 = 23540^2 + 22757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072012649 - 2¹⁶ = 1071947113 is a prime.

It is a super-2 number, since 2×1072012649² = 2298422239231994402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1072012549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536006324 + 536006325.

It is an arithmetic number, because the mean of its divisors is an integer number (536006325).

Almost surely, 2^1072012649 is an apocalyptic number.

It is an amenable number.

1072012649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072012649 is an equidigital number, since it uses as much as digits as its factorization.

1072012649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1072012649 is about 32741.6042520827. The cubic root of 1072012649 is about 1023.4500147299.

The spelling of 1072012649 in words is "one billion, seventy-two million, twelve thousand, six hundred forty-nine".