1219970701 has 2 divisors, whose sum is σ = 1219970702. Its totient is φ = 1219970700.

The previous prime is 1219970699. The next prime is 1219970723. The reversal of 1219970701 is 1070799121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 785456676 + 434514025 = 28026^2 + 20845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1219970701 - 2¹ = 1219970699 is a prime.

It is a super-2 number, since 2×1219970701² = 2976657022596862802, which contains 22 as substring.

Together with 1219970699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1219920701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 609985350 + 609985351.

It is an arithmetic number, because the mean of its divisors is an integer number (609985351).

Almost surely, 2^1219970701 is an apocalyptic number.

It is an amenable number.

1219970701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1219970701 is an equidigital number, since it uses as much as digits as its factorization.

1219970701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 37.

The square root of 1219970701 is about 34928.0789766629. The cubic root of 1219970701 is about 1068.5211762955.

The spelling of 1219970701 in words is "one billion, two hundred nineteen million, nine hundred seventy thousand, seven hundred one".