1047261534 has 24 divisors (see below), whose sum is σ = 2302245960. Its totient is φ = 317351760.

The previous prime is 1047261491. The next prime is 1047261559. The reversal of 1047261534 is 4351627401.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1047261495 and 1047261504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720529 + ... + 721980.

It is an arithmetic number, because the mean of its divisors is an integer number (95926915).

Almost surely, 2^1047261534 is an apocalyptic number.

1047261534 is an abundant number, since it is smaller than the sum of its proper divisors (1254984426).

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

1047261534 is a wasteful number, since it uses less digits than its factorization.

1047261534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442536 (or 1442525 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1047261534 is about 32361.4204570813. The cubic root of 1047261534 is about 1015.5119790023.

Adding to 1047261534 its reverse (4351627401), we get a palindrome (5398888935).

The spelling of 1047261534 in words is "one billion, forty-seven million, two hundred sixty-one thousand, five hundred thirty-four".