1011020135 has 8 divisors (see below), whose sum is σ = 1213550016. Its totient is φ = 808598880.

The previous prime is 1011020123. The next prime is 1011020137. The reversal of 1011020135 is 5310201101.

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

It is not a de Polignac number, because 1011020135 - 2⁶ = 1011020071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011020137) 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, 5039 + ... + 45248.

It is an arithmetic number, because the mean of its divisors is an integer number (151693752).

Almost surely, 2^1011020135 is an apocalyptic number.

1011020135 is a deficient number, since it is larger than the sum of its proper divisors (202529881).

1011020135 is an equidigital number, since it uses as much as digits as its factorization.

1011020135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54313.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1011020135 is about 31796.5428152181. The cubic root of 1011020135 is about 1003.6599666354.

Adding to 1011020135 its reverse (5310201101), we get a palindrome (6321221236).

The spelling of 1011020135 in words is "one billion, eleven million, twenty thousand, one hundred thirty-five".