1022140155 has 8 divisors (see below), whose sum is σ = 1635424272. Its totient is φ = 545141408.

The previous prime is 1022140151. The next prime is 1022140183. The reversal of 1022140155 is 5510412201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022140155 - 2² = 1022140151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022140151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34071324 + ... + 34071353.

It is an arithmetic number, because the mean of its divisors is an integer number (204428034).

Almost surely, 2^1022140155 is an apocalyptic number.

1022140155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1022140155 is a deficient number, since it is larger than the sum of its proper divisors (613284117).

1022140155 is an equidigital number, since it uses as much as digits as its factorization.

1022140155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68142685.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1022140155 is about 31970.9267147513. The cubic root of 1022140155 is about 1007.3262466999.

Adding to 1022140155 its reverse (5510412201), we get a palindrome (6532552356).

The spelling of 1022140155 in words is "one billion, twenty-two million, one hundred forty thousand, one hundred fifty-five".