1029945 has 32 divisors (see below), whose sum is σ = 1997568. Its totient is φ = 442368.

The previous prime is 1029943. The next prime is 1029953. The reversal of 1029945 is 5499201.

It is a happy number.

It is not a de Polignac number, because 1029945 - 2¹ = 1029943 is a prime.

It is a Curzon number.

1029945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1029943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (62424).

2^1029945 is an apocalyptic number.

1029945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1029945 is a deficient number, since it is larger than the sum of its proper divisors (967623).

1029945 is a wasteful number, since it uses less digits than its factorization.

1029945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1029945 is about 1014.8620595923. The cubic root of 1029945 is about 100.9883658135.

The spelling of 1029945 in words is "one million, twenty-nine thousand, nine hundred forty-five".