1245535105 has 16 divisors (see below), whose sum is σ = 1545433344. Its totient is φ = 963022720.

The previous prime is 1245535097. The next prime is 1245535111. The reversal of 1245535105 is 5015355421.

It is not a de Polignac number, because 1245535105 - 2³ = 1245535097 is a prime.

It is a super-2 number, since 2×1245535105² = 3102715395574722050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6457 + ... + 50326.

It is an arithmetic number, because the mean of its divisors is an integer number (96589584).

Almost surely, 2^1245535105 is an apocalyptic number.

It is an amenable number.

1245535105 is a deficient number, since it is larger than the sum of its proper divisors (299898239).

1245535105 is a wasteful number, since it uses less digits than its factorization.

1245535105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56936.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1245535105 is about 35292.1394222566. The cubic root of 1245535105 is about 1075.9332382697.

The spelling of 1245535105 in words is "one billion, two hundred forty-five million, five hundred thirty-five thousand, one hundred five".