1295305494 has 36 divisors (see below), whose sum is σ = 3015004284. Its totient is φ = 369910968.

The previous prime is 1295305489. The next prime is 1295305499. The reversal of 1295305494 is 4945035921.

It is an interprime number because it is at equal distance from previous prime (1295305489) and next prime (1295305499).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295305499) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 616057 + ... + 618155.

It is an arithmetic number, because the mean of its divisors is an integer number (83750119).

Almost surely, 2^1295305494 is an apocalyptic number.

1295305494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1295305494 is an abundant number, since it is smaller than the sum of its proper divisors (1719698790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1295305494 is an frugal number, since it uses more digits than its factorization.

1295305494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1295305494 is about 35990.3527907132. The cubic root of 1295305494 is about 1090.0775676359.

Multiplying 1295305494 by its product of nonzero digits (194400), we get a square (251807388033600 = 15868440²).

The spelling of 1295305494 in words is "one billion, two hundred ninety-five million, three hundred five thousand, four hundred ninety-four".