1051220701 has 2 divisors, whose sum is σ = 1051220702. Its totient is φ = 1051220700.

The previous prime is 1051220671. The next prime is 1051220711. The reversal of 1051220701 is 1070221501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043936100 + 7284601 = 32310^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051220701 - 2¹¹ = 1051218653 is a prime.

It is a super-2 number, since 2×1051220701² = 2210129924421862802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051220711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525610350 + 525610351.

It is an arithmetic number, because the mean of its divisors is an integer number (525610351).

Almost surely, 2^1051220701 is an apocalyptic number.

It is an amenable number.

1051220701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051220701 is an equidigital number, since it uses as much as digits as its factorization.

1051220701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1051220701 is about 32422.5338460769. The cubic root of 1051220701 is about 1016.7900823869.

It can be divided in two parts, 10512 and 20701, that added together give a palindrome (31213).

The spelling of 1051220701 in words is "one billion, fifty-one million, two hundred twenty thousand, seven hundred one".