1020697355 has 16 divisors (see below), whose sum is σ = 1284716160. Its totient is φ = 777578112.

The previous prime is 1020697343. The next prime is 1020697367. The reversal of 1020697355 is 5537960201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020697343) and next prime (1020697367).

It is a cyclic number.

It is not a de Polignac number, because 1020697355 - 2⁴ = 1020697339 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50000 + ... + 67389.

It is an arithmetic number, because the mean of its divisors is an integer number (80294760).

Almost surely, 2^1020697355 is an apocalyptic number.

1020697355 is a deficient number, since it is larger than the sum of its proper divisors (264018805).

1020697355 is a wasteful number, since it uses less digits than its factorization.

1020697355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117478.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 1020697355 is about 31948.3544959674. The cubic root of 1020697355 is about 1006.8520603657.

The spelling of 1020697355 in words is "one billion, twenty million, six hundred ninety-seven thousand, three hundred fifty-five".