1254042534 has 16 divisors (see below), whose sum is σ = 2594571120. Its totient is φ = 403599840.

The previous prime is 1254042533. The next prime is 1254042539. The reversal of 1254042534 is 4352404521.

It is a super-2 number, since 2×1254042534² = 3145245354162282312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254042533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3603397 + ... + 3603744.

It is an arithmetic number, because the mean of its divisors is an integer number (162160695).

Almost surely, 2^1254042534 is an apocalyptic number.

1254042534 is an abundant number, since it is smaller than the sum of its proper divisors (1340528586).

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

1254042534 is a wasteful number, since it uses less digits than its factorization.

1254042534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207175.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1254042534 is about 35412.4629756248. The cubic root of 1254042534 is about 1078.3773454869.

The spelling of 1254042534 in words is "one billion, two hundred fifty-four million, forty-two thousand, five hundred thirty-four".