1202426145 has 24 divisors (see below), whose sum is σ = 2128553856. Its totient is φ = 627648288.

The previous prime is 1202426123. The next prime is 1202426149. The reversal of 1202426145 is 5416242021.

1202426145 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 42 + 614 + 5 = 666.

It is not a de Polignac number, because 1202426145 - 2⁶ = 1202426081 is a prime.

It is a super-2 number, since 2×1202426145² = 2891657268359122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202426149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282147 + ... + 286376.

It is an arithmetic number, because the mean of its divisors is an integer number (88689744).

Almost surely, 2^1202426145 is an apocalyptic number.

1202426145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1202426145 is a deficient number, since it is larger than the sum of its proper divisors (926127711).

1202426145 is a wasteful number, since it uses less digits than its factorization.

1202426145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568581 (or 568578 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1202426145 is about 34676.0168560347. The cubic root of 1202426145 is about 1063.3742436891.

Adding to 1202426145 its reverse (5416242021), we get a palindrome (6618668166).

The spelling of 1202426145 in words is "one billion, two hundred two million, four hundred twenty-six thousand, one hundred forty-five".