1010661201 has 24 divisors (see below), whose sum is σ = 1604734560. Its totient is φ = 607838400.

The previous prime is 1010661173. The next prime is 1010661217. The reversal of 1010661201 is 1021660101.

1010661201 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 661 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 1010661201 - 2⁶ = 1010661137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1010661241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25996 + ... + 51933.

It is an arithmetic number, because the mean of its divisors is an integer number (66863940).

Almost surely, 2^1010661201 is an apocalyptic number.

1010661201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010661201 is a deficient number, since it is larger than the sum of its proper divisors (594073359).

1010661201 is a wasteful number, since it uses less digits than its factorization.

1010661201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78077 (or 78074 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1010661201 is about 31790.8980842001. The cubic root of 1010661201 is about 1003.5411789165.

The spelling of 1010661201 in words is "one billion, ten million, six hundred sixty-one thousand, two hundred one".