1209495474 has 48 divisors (see below), whose sum is σ = 2865642624. Its totient is φ = 365637600.

The previous prime is 1209495461. The next prime is 1209495491. The reversal of 1209495474 is 4745949021.

1209495474 is a `hidden beast` number, since 1 + 2 + 0 + 94 + 95 + 474 = 666.

1209495474 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78252 + ... + 92424.

It is an arithmetic number, because the mean of its divisors is an integer number (59700888).

Almost surely, 2^1209495474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1209495474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432821312).

1209495474 is an abundant number, since it is smaller than the sum of its proper divisors (1656147150).

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

1209495474 is a wasteful number, since it uses less digits than its factorization.

1209495474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14623 (or 14620 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1209495474 is about 34777.8014543760. The cubic root of 1209495474 is about 1065.4541103824.

The spelling of 1209495474 in words is "one billion, two hundred nine million, four hundred ninety-five thousand, four hundred seventy-four".